A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Devialet Gemini IPX4

Lasuney T12 ✗

IP ratings refer to the rating of protection offered by an enclosure, against solids and water. The letters 'IP' are followed by two values The first value of the IP rating refers to protection against solids say dust, followed by the one that refers to resistance against liquids (water).

Having a value of IPX4, the Devialet Gemini's rating for solids indicates that no data available to specify a protection rating, and the second number of 4 means that they can withstand low pressure spray similar to that of a shower head when tilted at 180° for 10 minutes.

Weight

Devialet Gemini 8g

Lasuney T12 18.1g

Devialet Gemini have a weight of 8g . We consider a lower weight best for the reason that lighter devices are more comfortable to move with.

Lasuney T12, at 18.1g are heavier than the Devialet Gemini with a difference of 10.1g

Has No Wires Or Cables

Devialet Gemini ✓

Lasuney T12 ✓

True wireless devices have no wires connecting any part of the device together, Devialet Gemini are true wireless for this matter since they have no wires. This is a key difference as some wireless earbuds have cables connecting the 2 earbuds together.

Lasuney T12 also is true wireless because it has no wires linking the two earbuds .

Sweat Resistance

Devialet Gemini ✓

Lasuney T12 ✓

Devialet Gemini are resistant to sweat

Lasuney T12's resistance to sweat makes both devices good for use during long-distance running, marathons, cardio sweat workouts , etc

Has Stereo Speakers

Devialet Gemini ✓

Lasuney T12 ✓

Devialet Gemini have stereo speakers, what this means is that Devialet Gemini's speakers deliver sound from independent channels on both left and right sides, this creates a richer sound and a better listening experience.

Both Lasuney T12 and Devialet Gemini have stereo speakers

Devialet Gemini
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Has Active Noise Cancellation (Noise Control)

Devialet Gemini ✓

Lasuney T12 ✓

Active noise cancellation makes use of advanced kind of tech to actively counter noise. ANC works when, it studies the sound pattern of incoming noise and then generates a mirror signal to cancel it out. Simply put, it's like taking +1 (sound from your surrounding) then adding -1 (inverted noise) to make 0 resulting in a reduced level of noise.

The Devialet Gemini have Active Noise Cancellation allowing you to listen at lower levels of volume, causing less ear fatigue as you don't need to crank up the earbuds volume to overcome background sounds.

The Lasuney T12 too have ANC making both devices ideal for plane rides and morning travels. The Devialet Gemini and Lasuney T12 work with different noise cancellation modes, pick the noise cancellation type that suits your travel or that enhances your relaxation time.

Has Passive Noise Reduction

Devialet Gemini ✓

Lasuney T12 ✗

Devialet Gemini stay tightly in place, creating a sound covering that tones down background sounds while preventing the earbuds sound from leaking out .

Driver Unit Size

Devialet Gemini 10mm

Lasuney T12 13mm

Devialet Gemini driver unit is 10mm in diameter, the bigger the unit the more powerful, and can produce better bass. A driver unit is basically a mini speaker that produces sound in the device, the unit size determines the sound produced by the device.

Lasuney T12 driver unit is 13mm in diameter, making them have a larger driver unit than that of Devialet Gemini by 3mm , 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 yeah, larger drivers can generate louder sound, but this does not indicate that they deliver better quality sound.

Lowest Frequency

Devialet Gemini 5Hz

Lasuney T12 20Hz

Devialet Gemini's lowest frequency is at 5Hz, low-frequency response inidcates how well a particular audio device generates low audible frequencies and if it alters the signal while at it.

Lasuney T12's lowest frequency is at 20Hz, this implies that Devialet Gemini can make sound with a juicier bass than the Lasuney T12

Highest Frequency

Devialet Gemini 20000Hz

Lasuney T12 20000Hz

Devialet Gemini's highest frequency is at 20000Hz, high-frequency response tells how well a particular audio device produces high human frequencies and if it adjustments to the signal while at it.

Lasuney T12's highest frequency is at 20000Hz, this means that both devices produce equal treble

Sound Pressure Level

Devialet Gemini 94dB/mW

Lasuney T12 ✗

The sound pressure level, 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 Echo Buds 3Rd Generation Vs. Devialet Gemini

Battery Life

Devialet Gemini 6hours

Lasuney T12 5hours

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

Lasuney T12's battery life is less than that of Devialet Gemini 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

Devialet Gemini 18hours

Lasuney T12 30hours

This is given by the manufacturer, and Devialet Gemini's case is said to have a charge of 18 hours. A charging case with more battery hours allows you to recharge your earbuds on the go multiple times before having to recharge the case itself.

Lasuney T12's charging case has a battery life of 30 hours, more than that of Devialet Gemini by 12 hours

Charge Time

Devialet Gemini 1.5hours

Lasuney T12 2hours

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

Lasuney T12 takes 2 hours to fully charge the battery, more than that of Devialet Gemini by 0.5 hours

Battery Power

Devialet Gemini 55mAh

Lasuney T12 ✗

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

Has Wireless Charging

Devialet Gemini ✓

Lasuney T12 ✗

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

Has A Battery Level Indicator

Devialet Gemini ✓

Lasuney T12 ✓

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

Lasuney T12 too have a battery level indicator, charging indicators allow you to determine the charging state of your earbuds, if charged fully, or the battery is running low.

Devialet Gemini
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Has Usb Type-C

Devialet Gemini ✓

Lasuney T12 ✓

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

Lasuney T12 too have USB TYPE-C. This USB-C plug comes along with most current electronics.

Bluetooth Version

Devialet Gemini v5

Lasuney T12 v5

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

Lasuney T12 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

Lasuney T12 10meters

Devialet Gemini have a 10meters distance connecting via Bluetooth.

Lasuney T12 have a maximum range of 10meters, equal to that of the Devialet Gemini

Has Aac

Devialet Gemini ✓

Lasuney T12 ✗

Devialet Gemini support AAC, a codec that is 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 fine with your iPhone. If you are planning on using these with Android you need to pay even closer attention to codec support for if they only have AAC they won't provide the best audio quality possible, ensure that they also support aptX HD, LDAC, or LHDC as well.

Has Aptx Adaptive

Devialet Gemini ✓

Lasuney T12 ✗

The 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).

A Review By Comparison Of The Technics Eah Az80 Vs. Devialet Gemini

Number Of Microphones

Devialet Gemini 2only

Lasuney T12 2only

Devialet Gemini have 2 microphones.

Lasuney T12 microphones are 2, equal to that of the Devialet Gemini . More microphones result in better sound quality and enable the earbuds to filter out background sounds.

Has A Noise-Canceling Microphone

Devialet Gemini ✓

Lasuney T12 ✗

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

Devialet Gemini
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Has Ambient Sound Mode

Devialet Gemini ✓

Lasuney T12 ✗

Devialet Gemini support ambient sound mode, which uses microphones to channel ambient noises so that they can still be heard even while wearing them

Has In/On-Ear Detection

Devialet Gemini ✓

Lasuney T12 ✗

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

Has Find Earbuds Feature

Devialet Gemini ✓

Lasuney T12 ✗

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

Supports Fast Charging

Devialet Gemini ✓

Lasuney T12 ✓

Devialet Gemini support fast charging. Most often, technologies like Qualcomm’s Quick Charge, are used to reduce the amount of time it takes to charge a device.

The Lasuney T12 support fast charging. It's very similar to regular charging, only that the battery fills up much faster. Say, with Quick Charge 3.0, the battery can be charged to 50% in thirty minutes.

Control Panel Placed On A Device

Devialet Gemini ✓

Lasuney T12 ✓

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

Lasuney T12 also have a control panel on them.

Warranty Period

Devialet Gemini 2Years

Lasuney T12 1Years

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 that has followed instruction manuals.

If covered under the manufacturer’s warranty it is possible to get a replacement a malfunction occurs. Lasuney T12 have a warranty period of 1Years, less than that of Devialet Gemini by 1 Years .

Has Voice Prompts

Devialet Gemini ✓

Lasuney T12 ✓

The Devialet Gemini support voice prompts. Automatically receive information via audio messages, say if there is a problem with the connection.

The Lasuney T12 also support voice prompts meaning the earbuds will notify you when the battery is low, and you need to recharge them.

Travel Bag Is Included

Devialet Gemini ✓

Lasuney T12 ✓

Devialet Gemini come with a special pouch. Carrying earphones without a case, or placing them in your pockets without a casing can easily put them at risk of getting damaged.

Lasuney T12 too have a case included, which offers safe transportation.

A Review By Comparison Of The Technics Eah Az80 Vs. Devialet Gemini

Category	Features	Devialet Gemini	Lasuney T12
DESIGN	ingress protection (ip) rating	IPX4	✗
	weight	8g	18.1g
	has no wires or cables	✓	✓
	sweat resistance	✓	✓
	has stereo speakers	✓	✓
SOUND QUALITY	has active noise cancellation (noise control)	✓	✓
	has passive noise reduction	✓	✗
	driver unit size	10mm	13mm
	lowest frequency	5Hz	20Hz
	highest frequency	20000Hz	20000Hz
	sound pressure level	94dB/mW	✗
POWER	battery life	6hours	5hours
	battery life of charging case	18hours	30hours
	charge time	1.5hours	2hours
	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 aptx adaptive	✓	✗
MICROPHONE	number of microphones	2only	2only
MICROPHONE	has a noise-canceling microphone	✓	✗
EXTRAS	has ambient sound mode	✓	✗
	has in/on-ear detection	✓	✗
	has find earbuds feature	✓	✗
	supports fast charging	✓	✓
	control panel placed on a device	✓	✓
	warranty period	2Years	1Years
	has voice prompts	✓	✓
	travel bag is included	✓	✓
		See price on Amazon	See price on Amazon

A Review By Comparison of the Devialet Gemini Vs. Lasuney T12

Reasons why you might like the Devialet Gemini

Reasons why you might like the Lasuney T12

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

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 Aptx Adaptive

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

Control Panel Placed On A Device

Warranty Period

Has Voice Prompts

Travel Bag Is Included

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