A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Xiaomi Redmi Buds 4 Pro IP54

JBL Reflect Aero TWS IP68

IP ratings refer to the rating of protection given by a casing, against solids and liquids. The letters 'IP' are followed by two values The first value represents protection against solids such as dust, while the second refers to resistance against liquids (water).

Scoring IP54, the Xiaomi Redmi Buds 4 Pro's rating is read as, the first value of 5 denotes that ingress of dust is not totally prevented but dust does not enter in harmful quantities to interfere with the correct operation or impair safety, and the second value of 4 means that they can withstand low pressure spray similar to that of a shower head when tilted at 180° for 10 minutes.

In comparison to the Xiaomi Redmi Buds 4 Pro, JBL Reflect Aero TWS have a rating of IP68 meaning that JBL Reflect Aero TWS has a higher dust resistance than Xiaomi Redmi Buds 4 Pro and that of liquids is that, Xiaomi Redmi Buds 4 Pro has a lower liquid rating than JBL Reflect Aero TWS

Weight

Xiaomi Redmi Buds 4 Pro 10g

JBL Reflect Aero TWS 13g

Xiaomi Redmi Buds 4 Pro have a weight of 10g . We take in account a lower weight best for the reason that lighter devices are more comfortable to move with.

JBL Reflect Aero TWS, at 13g weigh more than the Xiaomi Redmi Buds 4 Pro by of 3g

Has No Wires Or Cables

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✓

For a device to be true wireless it must have no cables connecting any part of the device together, Xiaomi Redmi Buds 4 Pro are true wireless for this matter since they don't have wires. This is a key difference since wireless earbuds have cables linking the two earbuds together.

JBL Reflect Aero TWS also is true wireless since it doesn't have cables connecting the 2 earbuds .

Wingtips Included

Xiaomi Redmi Buds 4 Pro ✗

JBL Reflect Aero TWS ✓

The JBL Reflect Aero TWS come with wingtips, these are reserved for workout earbuds and come as an optional add-on to the separate silicone ear tip for a more secure fit.

Sweat Resistance

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✓

Xiaomi Redmi Buds 4 Pro are resistant to sweat

JBL Reflect Aero TWS's resistance to sweat makes both devices fit for use during long-distance running, marathons, training in workout bodysuits, etc

Is Dust Proof And Water-Resistant

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✓

The Xiaomi Redmi Buds 4 Pro are both dustproof and water-resistant.

JBL Reflect Aero TWS too are dustproof and water-resistant, thus preventing water and dust from entering the interior of the devices keeping the interior components safe

Has Stereo Speakers

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✓

Xiaomi Redmi Buds 4 Pro have stereo speakers, devices with stereo speakers deliver sound from independent channels on both left and right sides, this creates a richer sound and a better listening experience.

The JBL Reflect Aero TWS also have stereo speakers

Xiaomi Redmi Buds 4 Pro
See price on Amazon

Has Active Noise Cancellation (Noise Control)

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✓

Active noise cancellation utilises more advanced kind of tech to actively cancel noise. ANC works when, it studies the sound pattern of incoming noise and generates a mirror signal to cancel it out. Simply put, it's like having +1 (noise) and adding -1 (inverted noise) giving 0 which results in a reduced level of noise.

Xiaomi Redmi Buds 4 Pro have Active Noise Cancellation enabling you to listen at lower volume levels, good for your ears as you don't need to crank up the device volume to outcompete background sounds.

The JBL Reflect Aero TWS too have Active Noise Cancellation making both devices ideal for flights and rush hour travels. The Xiaomi Redmi Buds 4 Pro and JBL Reflect Aero TWS work with different noise cancellation modes, pick the mode that you prefer for commute or that suites your relaxation time.

Has Passive Noise Reduction

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✓

Xiaomi Redmi Buds 4 Pro stay tightly in place, this creates a sound covering that reduces background noise while preventing the device sound from leaking out .

Both JBL Reflect Aero TWS, and Xiaomi Redmi Buds 4 Pro have passive noise reduction this means that both limit ambient noise without using technology to cancel it out.

Driver Unit Size

Xiaomi Redmi Buds 4 Pro 11mm

JBL Reflect Aero TWS 6.8mm

Xiaomi Redmi Buds 4 Pro have a unit size of 11mm in diameter, the bigger the unit the more powerful, and can produce better bass. A driver unit is basically a mini speaker that makes sound in the device, its size corellates with the loudness of the device.

JBL Reflect Aero TWS driver unit is 6.8mm in diameter, which means that they have a smaller driver unit than that of Xiaomi Redmi Buds 4 Pro by 4.2mm , a common assumption that driver units of a bigger size automatically produce better sound quality.

However, large drivers find it difficult to produce high frequencies so yes, larger drivers can generate louder sound, but this does not indicate that they deliver better quality sound.

Lowest Frequency

Xiaomi Redmi Buds 4 Pro 20Hz

JBL Reflect Aero TWS 20Hz

Xiaomi Redmi Buds 4 Pro's lowest frequency is at 20Hz, low-frequency response measures if and how well an audio device produces low frequencies that can be heard, and if it alters the signal while at it.

JBL Reflect Aero TWS's lowest frequency is at 20Hz, this implies that both devices produce equal bass

Highest Frequency

Xiaomi Redmi Buds 4 Pro 40000Hz

JBL Reflect Aero TWS 20000Hz

The Xiaomi Redmi Buds 4 Pro's highest frequency is at 40000Hz, high-frequency response tells how well a particular audio component makes high audible frequencies and if it adjustments to the signal on its way through.

JBL Reflect Aero TWS's highest frequency is at 20000Hz, this means that Xiaomi Redmi Buds 4 Pro generate a clearer and crispier treble than the JBL Reflect Aero TWS

Sound Pressure Level

Xiaomi Redmi Buds 4 Pro ✗

JBL Reflect Aero TWS 99dB/mW

SPL, is the pressure level of sound, in decibels, dB, JBL Reflect Aero TWS's measurement is 99dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.

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Battery Life

Xiaomi Redmi Buds 4 Pro 9hours

JBL Reflect Aero TWS 8hours

Xiaomi Redmi Buds 4 Pro's battery life is 9 hours, these last longer than 5 hours of listening which is considered average before recharge. A device's battery life is commonly given by the manufacturer, and with longer battery life, you get to use it for longer and have to charge the device less often.

JBL Reflect Aero TWS's battery life is less than that of Xiaomi Redmi Buds 4 Pro by 1 hours . Every time you recharge your earbuds, they get a little less listening time. The effect is barely noticeable at first, but over time, your wireless earbuds will no longer play for long like they used to.

Battery Life Of Charging Case

Xiaomi Redmi Buds 4 Pro 29hours

JBL Reflect Aero TWS 16hours

This is given by the vendor, and Xiaomi Redmi Buds 4 Pro's case is said to have a full charge of 29 hours. A charging case with more battery hours enables you to recharge your earbuds on the go multiple times before recharging the case itself.

JBL Reflect Aero TWS's charging case has a battery life of 16 hours, less than that of Xiaomi Redmi Buds 4 Pro by 13 hours

Charge Time

Xiaomi Redmi Buds 4 Pro 1hours

JBL Reflect Aero TWS 1.5hours

It takes 1 hours to fully charge the Xiaomi Redmi Buds 4 Pro's battery. It is recommended to fully charge the battery before using the earbuds for the first time.

JBL Reflect Aero TWS takes 1.5 hours to fully charge the battery, more than that of Xiaomi Redmi Buds 4 Pro by 0.5 hours

Battery Power

Xiaomi Redmi Buds 4 Pro 53mAh

JBL Reflect Aero TWS ✗

Xiaomi Redmi Buds 4 Pro's battery capacity is 53mAh, battery power, represents the amount of electrical energy that a battery can keep.

Has A Battery Level Indicator

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✓

The Xiaomi Redmi Buds 4 Pro have a battery level indicator, an indicator shows you when the device has a low battery. Its lights show the charging state of your earbuds and charging case.

JBL Reflect Aero TWS too have a battery level indicator, these allow you to determine the charging state of your earbuds, if charged fully, or the battery is running low.

Xiaomi Redmi Buds 4 Pro
See price on Amazon

Has Usb Type-C

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✓

Xiaomi Redmi Buds 4 Pro support USB TYPE-C, an industry-standard connector for transmitting both data and power in a single cable.

JBL Reflect Aero TWS too support USB TYPE-C. This USB-C plug is part and parcel of most current laptops, phones, and tablets.

Bluetooth Version

Xiaomi Redmi Buds 4 Pro v5.3

JBL Reflect Aero TWS v5.2

The Xiaomi Redmi Buds 4 Pro have Bluetooth version of 5.3, Bluetooth is a wireless technology standard that allows data movement between devices placed in range, using short-wavelength, ultra-high frequency radio waves.

JBL Reflect Aero TWS has a Bluetooth version of 5.2, older than that of Xiaomi Redmi Buds 4 Pro . Newer versions provide faster data transfers.

Maximum Bluetooth Range

Xiaomi Redmi Buds 4 Pro 10meters

JBL Reflect Aero TWS 10meters

The Xiaomi Redmi Buds 4 Pro have a 10meters distance connecting via Bluetooth.

JBL Reflect Aero TWS have a maximum range of 10meters, equal to that of the Xiaomi Redmi Buds 4 Pro

Has Aac

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✗

Xiaomi Redmi Buds 4 Pro support AAC, a codec that is used for Bluetooth audio. It supports 24-bit audio at 250kbps. Since it uses psychoacoustic modeling, it provides better results than other codecs at the same bit rate.

Since its the highest quality codec that any Bluetooth-supporting Apple product supports, the Xiaomi Redmi Buds 4 Pro will work well with your iPhone. If you intend on using these with Android , ensure that they also support aptX HD, LDAC, or LHDC as well.

Has Ldac

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✗

Xiaomi Redmi Buds 4 Pro support LDAC, a codec developed by Sony which allows streaming high-resolution audio over Bluetooth connections at up to 990 kbps at 32 bit/96 kHz. It can reach a high bitrate of 990kbps, which provides high-resolution audio.

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Number Of Microphones

Xiaomi Redmi Buds 4 Pro 6only

JBL Reflect Aero TWS 6only

The Xiaomi Redmi Buds 4 Pro have 6 microphones.

The JBL Reflect Aero TWS microphones are 6, equal to that of the Xiaomi Redmi Buds 4 Pro . More microphones record better sound quality and enable the earbuds to filter out noise.

Has A Noise-Canceling Microphone

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✓

Xiaomi Redmi Buds 4 Pro have a noise-canceling type of microphone, these microphones are intended to reduce background sounds from the earbuds' sound.

The JBL Reflect Aero TWS too use a noise-canceling type of microphone. Especially useful in noisy areas.

Xiaomi Redmi Buds 4 Pro
See price on Amazon

Has Ambient Sound Mode

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✓

Xiaomi Redmi Buds 4 Pro support ambient sound mode, which uses microphones to channel ambient sound to still be heard even when wearing them

The JBL Reflect Aero TWS support ambient sound mode as well, helpful when you want to listen to music while being aware of your surrounding, say you’re having a jog but would still want to hear traffic.

Has In/On-Ear Detection

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✗

The Xiaomi Redmi Buds 4 Pro have in/on-ear detection, the sensors in the earbuds can detect when removed from your ears so that the music is paused.

Has Find Earbuds Feature

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✗

If lost in a room, or can't easily find them in your bag, Xiaomi Redmi Buds 4 Pro have a find earbuds feature.

Supports Fast Charging

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✓

Xiaomi Redmi Buds 4 Pro support fast charging. Usually, technologies like Qualcomm’s Quick Charge, are used to lower the time it takes to charge the earbuds.

JBL Reflect Aero TWS too support fast charging. It's very similar to regular charging, just that the battery fills up much faster. Say, with Quick Charge 3.0, the battery can be charged to 50% in just 30 minutes.

Multipoint Count

Xiaomi Redmi Buds 4 Pro 2only

JBL Reflect Aero TWS ✗

The Xiaomi Redmi Buds 4 Pro support multipoint of 2 connections, the multipoint feature allows you to link to more than one Bluetooth device and switch between them. For example, you can switch calls from one device to another without having to manually disconnect and reconnect.

Has A Mute Function

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✓

Xiaomi Redmi Buds 4 Pro have a mute function, they have the option to mute/unmute a conversation directly from the device.

The JBL Reflect Aero TWS also have this function. It means that you can turn off the device's microphone, but you can still hear the other party talk.

Control Panel Placed On A Device

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✓

The Xiaomi Redmi Buds 4 Pro, so you can access the volume control, pause, play, mute, etc whichever features are supported on the earbuds.

JBL Reflect Aero TWS also have a control panel on them.

Has Voice Prompts

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✓

The Xiaomi Redmi Buds 4 Pro support voice prompts. With voice prompts, you receive information through audio messages, like if there is an issue with the connection.

JBL Reflect Aero TWS also have voice prompts meaning the device will notify you if the battery is low, and you need to recharge them.

Travel Bag Is Included

Xiaomi Redmi Buds 4 Pro ✓

JBL Reflect Aero TWS ✓

The Xiaomi Redmi Buds 4 Pro come with their own special pouch. Carrying earbuds without a case, or putting them in your bag without a casing may easily put them at risk of getting damaged.

JBL Reflect Aero TWS also have a case included, which is useful for safe transportation.

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Category	Features	Xiaomi Redmi Buds 4 Pro	JBL Reflect Aero TWS
DESIGN	ingress protection (ip) rating	IP54	IP68
	weight	10g	13g
	has no wires or cables	✓	✓
	wingtips included	✗	✓
	sweat resistance	✓	✓
	is dust proof and water-resistant	✓	✓
	has stereo speakers	✓	✓
SOUND QUALITY	has active noise cancellation (noise control)	✓	✓
	has passive noise reduction	✓	✓
	driver unit size	11mm	6.8mm
	lowest frequency	20Hz	20Hz
	highest frequency	40000Hz	20000Hz
	sound pressure level	✗	99dB/mW
POWER	battery life	9hours	8hours
	battery life of charging case	29hours	16hours
	charge time	1hours	1.5hours
	battery power	53mAh	✗
	has a battery level indicator	✓	✓
CONNECTIVITY	has usb type-c	✓	✓
	bluetooth version	v5.3	v5.2
	maximum bluetooth range	10meters	10meters
	has aac	✓	✗
	has ldac	✓	✗
MICROPHONE	number of microphones	6only	6only
MICROPHONE	has a noise-canceling microphone	✓	✓
EXTRAS	has ambient sound mode	✓	✓
	has in/on-ear detection	✓	✗
	has find earbuds feature	✓	✗
	supports fast charging	✓	✓
	multipoint count	2only	✗
	has a mute function	✓	✓
	control panel placed on a device	✓	✓
	has voice prompts	✓	✓
	travel bag is included	✓	✓
		See price on Amazon	See price on Amazon

A Review By Comparison of the Xiaomi Redmi Buds 4 Pro Vs. Jbl Reflect Aero Tws

Reasons why you might like the Xiaomi Redmi Buds 4 Pro

Reasons why you might like the JBL Reflect Aero TWS

A summary of the review by feature comparison

A breakdown of the review per specifications

Design

Ingress Protection (Ip) Rating

Weight

Has No Wires Or Cables

Wingtips Included

Sweat Resistance

Is Dust Proof And Water-Resistant

Has Stereo Speakers

Sound Quality

Has Active Noise Cancellation (Noise Control)

Has Passive Noise Reduction

Driver Unit Size

Lowest Frequency

Highest Frequency

Sound Pressure Level

Power

Battery Life

Battery Life Of Charging Case

Charge Time

Battery Power

Has A Battery Level Indicator

Connectivity

Has Usb Type-C

Bluetooth Version

Maximum Bluetooth Range

Has Aac

Has Ldac

Microphone

Number Of Microphones

Has A Noise-Canceling Microphone

Extras

Has Ambient Sound Mode

Has In/On-Ear Detection

Has Find Earbuds Feature

Supports Fast Charging

Multipoint Count

Has A Mute Function

Control Panel Placed On A Device

Has Voice Prompts

Travel Bag Is Included

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