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.
Impedance is the device’s electrical resistance to the current being pushed through it. The lower the impedance, the easier it is to get higher volume and requires less power.
Beyerdynamic MMX 101 iE
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 highest frequencies that the mic can pick up well. Better for recording treble.
Sennheiser Ambeo Smart Headset
A wind noise reduction microphone is designed to reduce wind interference, providing sharper audio in windy situations.
The lowest frequencies that the mic can pick up well. Better for recording bass. If a microphone is going to be used for speech, a voice microphone, it must have great gain for bass, since human voice is in the low frequencies.
Sennheiser Presence UC
The battery can be recharged and used over again.
An indicator shows you when the device has low battery.
Wireless devices allow users more freedom of movement.
Huawei Honor FlyPods Pro
The device can connect at a greater distance via Bluetooth or infrared to another device.
Sena SMH10 Motorcycle Headset & Intercom
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.
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.
You can use your voice to control key functions of the device and you can easily access your device without pushing any button.
The device has an option to mute/unmute a conversation directly from the device.
Multipoint allows you to link to more Bluetooth devices and switch between them. For example you can easily switch calls from one device to another without having to manually disconnect and reconnect.
This is a monaural device which could be used for both ears.