A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Devialet Gemini ipX4

Mpow Flame S ipX7

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

Scoring IPX4, the Devialet Gemini's rating is read as, the first value of X denotes that no data available to specify a protection rating, 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.

Compared to the Devialet Gemini, Mpow Flame S have a rating of IPX7 meaning that we are not yet certain of their rating with solids (dust) and that of liquids is that, Mpow Flame S has a higher liquid rating than Devialet Gemini

Weight

Devialet Gemini 8g

Mpow Flame S ✗

The Devialet Gemini have a weight of 8g . We consider a lower weight better for the reason that lighter devices are more comfortable to transport.

Has No Wires Or Cables

Devialet Gemini ✓

Mpow Flame S ✗

True wireless devices have no cables connecting any part of the device together, Devialet Gemini are true wireless for this case since they have no cables. This is an important difference as some wireless earbuds have cables connecting the pair of earbuds together.

Wingtips Included

Devialet Gemini ✗

Mpow Flame S ✓

The Mpow Flame S come with wingtips, these are commonly used for earbuds for workouts and are usually an optional add-on to the separate silicone ear tip for a more secure fit.

Sweat Resistance

Devialet Gemini ✓

Mpow Flame S ✓

Devialet Gemini have sweat resistance

Mpow Flame S's resistance to sweat makes both devices ideal for use while doing sports such as long-distance running, marathons, cardio sweat workouts , etc

Has Stereo Speakers

Devialet Gemini ✓

Mpow Flame S ✓

Devialet Gemini have stereo speakers, devices with stereo speakers deliver sound from separate channels on both left and right sides, creating a richer sound and a better listening experience.

The Mpow Flame S also have stereo speakers

Devialet Gemini
See price on Amazon

Has Active Noise Cancellation (Noise Control)

Devialet Gemini ✓

Mpow Flame S ✓

Active noise cancellation utilises advanced technology to reduce ambient sounds. How it works, it studies the sound pattern outside and inside the earbud and after inverts the soundwaves to counter it. Simply put, it's like taking +1 (noise) then producing -1 (counter sound by the device) giving 0 thus "diluting" the noise.

The Devialet Gemini have ANC enabling you to listen at lower volume levels, good for your ears as you don't have to crank up the earbuds volume to outcompete background noise.

Mpow Flame S too have Active Noise Cancellation which makes both devices ideal for plane rides and morning commutes. Each work with different noise cancellation settings, pick the mode that you prefer for travel or that enhances your relaxation time.

Has Passive Noise Reduction

Devialet Gemini ✓

Mpow Flame S ✓

The Devialet Gemini stay tightly in place, creating an acoustic seal that reduces background sounds while preventing the device sound from leaking out at the same.

Both of these devices have passive noise reduction this implies that both limit ambient noise without using technology to cancel it out.

Driver Unit Size

Devialet Gemini 10mm

Mpow Flame S ✗

The Devialet Gemini driver unit is 10mm in diameter, the bigger the unit the more powerful, and can produce better bass. The driver unit is basically a mini speaker that produces sound in the earbuds, the unit size dictates the loudness of the device.

Lowest Frequency

Devialet Gemini 5hz

Mpow Flame S ✗

The Devialet Gemini's lowest frequency is at 5Hz, low-frequency response measures if and how well a particular audio component generates low recognizable frequencies and if it makes any changes to the signal on its way through.

Highest Frequency

Devialet Gemini 20,000hz

Mpow Flame S ✗

Devialet Gemini's highest frequency is at 20,000Hz, high-frequency response shows how well an audio component generates high recognizable frequencies and if it adjustments to the signal while at it.

Sound Pressure Level

Devialet Gemini 94db/mw

Mpow Flame S ✗

SPL, is the pressure level of sound, measured in decibels, dB, Devialet Gemini's measurement is 94dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.

A Review By Comparison Of The Jbl Wave Beam Vs. Devialet Gemini

Battery Life

Devialet Gemini 6hours

Mpow Flame S 12hours

The Devialet Gemini's battery life is 6 hours, these last longer than 5 hours of listening which is considered average for a single charge. A device's battery life is usually given by the manufacturer, and with longer battery life, you get to use it for longer and requires fewer chargings.

Mpow Flame S's battery life is more than that of Devialet Gemini by 6 hours . Every time you recharge your device, they get a little less playing time. The effect is not noticeable at first, but over a few years, your wireless earbuds will no longer play for long like they used to.

Battery Life Of Charging Case

Devialet Gemini 18hours

Mpow Flame S ✗

The battery life of the charging case is given by the manufacturer, and Devialet Gemini's case is said to have a charge of 18 hours. A charging case with a longer battery life allows you to recharge your earbuds on the go many times before recharging the case itself.

Charge Time

Devialet Gemini 1.5hours

Mpow Flame S ✗

It takes 1.5 hours to fully charge the Devialet Gemini's battery. It is recommended to charge fully the battery before using the earbuds when they have been unused for extended periods.

Battery Power

Devialet Gemini 55mah

Mpow Flame S ✗

Devialet Gemini's battery power is 55mAh, battery power, represents the amount of electrical energy that a battery can keep.

Has Wireless Charging

Devialet Gemini ✓

Mpow Flame S ✗

Devialet Gemini, the device supports wireless charging. To charge the device, you simply place down on a compatible charging pad.

Has A Battery Level Indicator

Devialet Gemini ✓

Mpow Flame S ✓

The Devialet Gemini have a battery level indicator, an indicator alerts you when the earbuds has a low battery. The battery indicator lights display the charging status of your earbuds and case.

Mpow Flame S too have a battery level indicator, these enable you tell the charging state of your earbuds, if charged fully, or the battery is running low.

Devialet Gemini
See price on Amazon

Has Usb Type-C

Devialet Gemini ✓

Mpow Flame S ✗

The Devialet Gemini support USB TYPE-C, a standard connector for transmitting both data and power in a single cable.

Bluetooth Version

Devialet Gemini v5

Mpow Flame S v5

Devialet Gemini have Bluetooth version of 5, Bluetooth is a wireless technology standard that enables data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves.

Mpow Flame S has a Bluetooth version of 5, equal to that of the Devialet Gemini . Newer versions provide faster data transfers.

Maximum Bluetooth Range

Devialet Gemini 10meters

Mpow Flame S 10meters

Devialet Gemini have a 10meters distance to connect via Bluetooth.

Mpow Flame S have a maximum range of 10meters, equal to that of the Devialet Gemini

Has Aac

Devialet Gemini ✓

Mpow Flame S ✓

Devialet Gemini support AAC, a codec used for Bluetooth audio. It supports 24-bit audio at 250kbps. Since it uses psychoacoustic modeling, it can provide better results than other codecs at the same bit rate.

Since its the highest quality codec that any Bluetooth-supporting Apple product supports, the Devialet Gemini will work well with your MacBook. If you are planning on using these with Android , ensure that they also support aptX HD, LDAC, or LHDC as well.

The Mpow Flame S support AAC as well. Designed to be the successor of the MP3 format, AAC generally achieves higher sound quality than MP3 encoders at the same bit rate.

Has Ldac

Devialet Gemini ✗

Mpow Flame S ✓

Mpow Flame S 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 is capable of a very high bitrate of 990kbps, which provides high-resolution audio.

Has Aptx Adaptive

Devialet Gemini ✓

Mpow Flame S ✓

Devialet Gemini support APTX Adaptive, an audio codec for Bluetooth devices that are developed by Qualcomm. It has a variable bit rate (between 279kbps and 420kbps).

Mpow Flame S support APTX Adaptive as well which means both can adjust the bit rate for different scenarios, such as reducing interference from other devices.

Has Aptx Low Latency

Devialet Gemini ✗

Mpow Flame S ✓

Mpow Flame S support APTX Low Latency, a codec developed by Qualcomm. It uses Bluetooth 5.0 technology to provide low latency audio (around 40ms), which is useful when you want to avoid audio lag for example when playing games.

Has Aptx Hd

Devialet Gemini ✗

Mpow Flame S ✓

The Mpow Flame S support APTX HD, an audio codec for Bluetooth devices that are developed by Qualcomm. It supports high-quality 24-bit audio (at a bit rate of 576kbps).

A Review By Comparison Of The Jbl Tune Flex Vs. Devialet Gemini

Number Of Microphones

Devialet Gemini 2only

Mpow Flame S ✗

The Devialet Gemini have 2 microphones.

Has A Noise-Canceling Microphone

Devialet Gemini ✓

Mpow Flame S ✓

The Devialet Gemini use a noise-canceling type of microphone, these microphones are intended to reduce noise from the earbuds' sound.

The Mpow Flame S too use a noise-canceling type of microphone. Especially useful in noisy areas.

Devialet Gemini
See price on Amazon

Has Ambient Sound Mode

Devialet Gemini ✓

Mpow Flame S ✓

Devialet Gemini support ambient sound mode, which uses microphones to pass through ambient sound to still be heard even while wearing them

The Mpow Flame S support ambient sound mode as well, it’s useful when you want to listen to music but also be aware of what’s happening around you, for example when you’re having a jog but would still want to hear traffic.

Has In/On-Ear Detection

Devialet Gemini ✓

Mpow Flame S ✓

The Devialet Gemini have in/on-ear detection, the sensors in the earbuds can detect when they are removed from your ears .

Mpow Flame S support in/on-ear detection, automatically pauses your music, or audiobook when you remove earbuds from your ears improving your listening experience.

Has Find Earbuds Feature

Devialet Gemini ✓

Mpow Flame S ✓

When misplaced in a room, or can't be found in your bag, Devialet Gemini have a find earbuds feature.

The Mpow Flame S also have the find earbuds feature. Use the device app on your phone to play a sound from your earbuds to find them.

Supports Fast Charging

Devialet Gemini ✓

Mpow Flame S ✓

The Devialet Gemini support fast charging. Commonly, technologies like Qualcomm’s Quick Charge, are used to lower the amount of time it takes to fully charge a device.

The Mpow Flame S too support fast charging. This kind is similar to regular charging, just that the battery is filling up much faster. Say, with Quick Charge 3.0, the battery is charged to 50% in just thirty minutes.

Has A Mute Function

Devialet Gemini ✗

Mpow Flame S ✓

Mpow Flame S have a mute function, they have the option to mute/unmute a conversation directly from the earbuds.

Control Panel Placed On A Device

Devialet Gemini ✓

Mpow Flame S ✓

With the Devialet Gemini, so you can easily access the volume control, pause, play, mute, etc whichever features are supported on the device.

Mpow Flame S also have a control panel on them.

Warranty Period

Devialet Gemini 2years

Mpow Flame S ✗

The Devialet Gemini have a warranty period of 2 Years, the period of time that warrant free repair and adjustment services in case of a malfunction occurring under normal use following instruction manuals.

Has Voice Prompts

Devialet Gemini ✓

Mpow Flame S ✓

The Devialet Gemini support voice prompts. With voice prompts, you receive information through audio messages, say if there is an issue with the connection.

The Mpow Flame S too have voice prompts meaning the earbuds will notify you when the battery is running low, and it's time to recharge them.

Travel Bag Is Included

Devialet Gemini ✓

Mpow Flame S ✓

Devialet Gemini come with their own special case. Carrying earbuds without a case, or placing them in your bag without a casing can easily put them at risk of getting damaged.

Mpow Flame S too have a travel bag included, which offers safe transportation.

A Review By Comparison Of The Jbl Wave Beam Vs. Devialet Gemini

Category	Features	Devialet Gemini	Mpow Flame S
DESIGN	ingress protection (ip) rating	ipX4	ipX7
	weight	8g	✗
	has no wires or cables	✓	✗
	wingtips included	✗	✓
	sweat resistance	✓	✓
	has stereo speakers	✓	✓
SOUND QUALITY	has active noise cancellation (noise control)	✓	✓
	has passive noise reduction	✓	✓
	driver unit size	10mm	✗
	lowest frequency	5hz	✗
	highest frequency	20,000hz	✗
	sound pressure level	94db/mw	✗
POWER	battery life	6hours	12hours
	battery life of charging case	18hours	✗
	charge time	1.5hours	✗
	battery power	55mah	✗
	has wireless charging	✓	✗
	has a battery level indicator	✓	✓
CONNECTIVITY	has usb type-c	✓	✗
	bluetooth version	v5	v5
	maximum bluetooth range	10meters	10meters
	has aac	✓	✓
	has ldac	✗	✓
	has aptx adaptive	✓	✓
	has aptx low latency	✗	✓
	has aptx hd	✗	✓
MICROPHONE	number of microphones	2only	✗
MICROPHONE	has a noise-canceling microphone	✓	✓
EXTRAS	has ambient sound mode	✓	✓
	has in/on-ear detection	✓	✓
	has find earbuds feature	✓	✓
	supports fast charging	✓	✓
	has a mute function	✗	✓
	control panel placed on a device	✓	✓
	warranty period	2years	✗
	has voice prompts	✓	✓
	travel bag is included	✓	✓
		See price on Amazon	See price on Amazon

A Review By Comparison of the Devialet Gemini Vs. Mpow Flame S

Reasons why you might like the Devialet Gemini

Reasons why you might like the Mpow Flame S

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

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 Wireless Charging

Has A Battery Level Indicator

Connectivity

Has Usb Type-C

Bluetooth Version

Maximum Bluetooth Range

Has Aac

Has Ldac

Has Aptx Adaptive

Has Aptx Low Latency

Has Aptx Hd

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

Has A Mute Function

Control Panel Placed On A Device

Warranty Period

Has Voice Prompts

Travel Bag Is Included

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