A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Devialet Gemini IPX4

Mpow Flame S IPX7

Ingress protection ratings is the rating of protection given by a casing, against dust 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).

Having a value of 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 of liquids 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 ✗

Devialet Gemini have a weight of 8g . We prefer a lower weight better because lighter devices are more comfortable to carry.

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 don't have cables. This is a key distinction as some wireless earbuds have cables linking the 2 earbuds .

Wingtips Included

Devialet Gemini ✗

Mpow Flame S ✓

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

Sweat Resistance

Devialet Gemini ✓

Mpow Flame S ✓

Devialet Gemini have sweat resistance

Mpow Flame S's resistance to sweat makes both devices fit for use while doing sports such as long-distance running, marathons, training in workout bodysuits, etc

Has Stereo Speakers

Devialet Gemini ✓

Mpow Flame S ✓

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

Both Mpow Flame S and Devialet Gemini have stereo speakers

Devialet Gemini
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Has Active Noise Cancellation (Noise Control)

Devialet Gemini ✓

Mpow Flame S ✓

Active noise cancellation uses advanced kind of tech to actively cancel noise. ANC works when, it detects and analyzes the sound pattern outside and inside the earbud and inverts the soundwaves to counter it. In simple terms, it's like having +1 (sound from your surrounding) and adding -1 (inverted noise) giving zero resulting in a reduced level of noise.

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

The Mpow Flame S too have Active Noise Cancellation which makes either of the devices ideal for flights and rush hour travels. Each work with different noise cancellation types, pick the setting that suits your travel or that enhances your chill time.

Has Passive Noise Reduction

Devialet Gemini ✓

Mpow Flame S ✓

Devialet Gemini stay well in place, this creates a sound seal that reduces your environment noise and also prevents the device sound from leaking out at the same.

Both of these devices have passive noise reduction this implies that both tone down ambient noise instead of actively using ANC to cancel it out.

Driver Unit Size

Devialet Gemini 10mm

Mpow Flame S ✗

The Devialet Gemini have a unit size of 10mm in diameter, the bigger the unit the more powerful, and can produce better bass. A driver unit is the component that makes sound in the device, the unit size dictates the sound produced by the device.

Lowest Frequency

Devialet Gemini 5Hz

Mpow Flame S ✗

Devialet Gemini's lowest frequency is at 5Hz, low-frequency response inidcates how well an audio component produces low recognizable frequencies and if it alters the signal while at it.

Highest Frequency

Devialet Gemini 20000Hz

Mpow Flame S ✗

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

Sound Pressure Level

Devialet Gemini 94dB/mW

Mpow Flame S ✗

SPL, is the level of pressure 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 Technics Eah Az80 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 before recharge. A device's battery life is 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 . Each time you recharge your earbuds, they get a little less listening time. The effect is barely 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 vendor, and the 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 several times before having to recharge the case itself.

Charge Time

Devialet Gemini 1.5hours

Mpow Flame S ✗

It requires 1.5 hours to fully charge the Devialet Gemini's battery. It is highly adivsable to fully charge 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 earbuds, you simply put down on a compatible charging pad.

Has A Battery Level Indicator

Devialet Gemini ✓

Mpow Flame S ✓

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

Mpow Flame S too have a battery level indicator, these allow you to tell the charging state of your earbuds, whether fully charged, or having a low battery.

Devialet Gemini
See price on Amazon

Has Usb Type-C

Devialet Gemini ✓

Mpow Flame S ✗

The Devialet Gemini have 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 movement 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. Because 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 iPad. If you intend 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 implies that 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 Samsung Galaxy Buds 2 Vs. Devialet Gemini

Number Of Microphones

Devialet Gemini 2only

Mpow Flame S ✗

Devialet Gemini have 2 microphones.

Has A Noise-Canceling Microphone

Devialet Gemini ✓

Mpow Flame S ✓

Devialet Gemini use a noise-canceling microphone, these microphones are designed to reduce background sounds from the desired sound.

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

Devialet Gemini
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Has Ambient Sound Mode

Devialet Gemini ✓

Mpow Flame S ✓

Devialet Gemini support ambient sound mode, which uses microphones to channel ambient sound so that they can still be heard even when wearing the earbuds

The Mpow Flame S support ambient sound mode as well, helpful when you want to listen to music but also be aware of what’s happening around you, say you’re having a jog but would still want to be able 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 .

The 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 ✓

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

The Mpow Flame S too have the find earbuds feature. Use the device app on your smartphone to play an alarm from your earbuds to locate them.

Supports Fast Charging

Devialet Gemini ✓

Mpow Flame S ✓

Devialet Gemini support fast charging. Commonly, technologies like MediaTek’s Pump Express, are used to lower the amount of time it takes to fully charge the earbuds.

Mpow Flame S support fast charging. It's very similar to regular charging, just that the battery is filling up much faster. For example, with Quick Charge 3.0, the battery can be charged to 50% in just thirty minutes.

Has A Mute Function

Devialet Gemini ✗

Mpow Flame S ✓

Mpow Flame S have a mute function, they support 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 earbuds.

The Mpow Flame S too 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 that has followed instruction manuals.

Has Voice Prompts

Devialet Gemini ✓

Mpow Flame S ✓

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

The Mpow Flame S too support voice prompts meaning the earbuds will notify you if 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 pouch. Carrying earbuds without a case, or putting them inside your pockets without a cover may easily damage them.

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

A Review By Comparison Of The Technics Eah Az80 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	20000Hz	✗
	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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