Beats Flex vs Mixcder R9

Resistance to sweat makes it ideal for use while doing sports.

The device is protected with extra seals to prevent failures caused by dust, raindrops, and water splashes.

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.

The device is dustproof and water-resistant. Water-resistant devices can resist the penetration of water, such as powerful water jets, but not being submerged into water.

The in-ear device is ultracompact and lightweight, with little or no interference with earrings, spectacles, hats, or hairstyles. It is inserted in the ear canal itself and blocks out a lot of environmental noise. It has stronger bass tones and is unlikely to fall out of the ear.

These earbuds come with wingtips that can be attached for a more secure fit. Wingtips come in handy for sports and other physical activities. When used correctly, they prevent the earbuds from falling off.

This type of device allows you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the volume to overcome background noise. Ideal for plane rides and morning commutes.

The device sits tightly in place, creating an acoustic seal which reduces background noise and prevents your music from leaking out.

Devices with neodymium magnets are lighter and more powerful than those which use ferrite magnets. They also have more bass and clear high notes.

The driver unit is the component that produces sound in the device. Bigger drivers are more powerful and can produce better bass.

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.

The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.

More microphones result in better sound quality and enable the device to filter out background noise.

These microphones are designed to filter out background noise from the desired sound. Especially useful in noisy environments.

The device's battery life (when in use) as given by the manufacturer. With a longer battery life you have to charge the device less often.

An indicator shows you when the device has low battery.

The battery can be recharged and used over again.

The time it takes to fully charge the battery.

The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base.

The USB Type-C features reversible plug orientation and cable direction.

Bluetooth aptX is an audio codec used for transmitting hi-resolution audio wirelessly from Bluetooth-enabled devices. Developed by Qualcomm, the aptX audio technology includes variations such as aptX HD, aptX Low Latency, and aptX Adaptive.

Wireless devices allow users more freedom of movement.

Bluetooth is a wireless technology standard that allows data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. Newer versions provide faster data transfers.

The device can connect at a greater distance via Bluetooth or infrared to another device.

Device supports fast Bluetooth pairing using NFC so it can communicate with other devices over Bluetooth. You can fastly pair devices without entering a code by simply holding one device next to the device with which it is to be paired.

A headset is one headphone or pair with a built-in microphone. Headsets can be used for apps that require communication i.e. Skype, games with voice chat, mobile phones, etc.

You can use your voice to control key functions of the device and you can easily access your device without pushing any button.

There is a control panel on the device body, so you can easily access the volume control or remote without having to interact with a cable or another device it's connected to.

The device has an option to mute/unmute a conversation directly from the device.

With voice prompts, you will automatically receive information via audio messages – for instance, you may find out that the battery is running low, and it's time to recharge the device.

When covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction.