Brand XIAOMI Colour Black Ear placement In Ear Form factor In Ear Impedance 100 Ohms About this item Long Playback and Quick Charging: Up to 6 hours of continuous playback on a single charge, and can be used with a charging case for up to 30 hours of music playback. In addition, it has a fast charging feature that allows up to 1 hour of playback time on just 10 minutes of charge, so you don't have to worry about sudden online meetings Powerful Bass and Clear Sound Quality: Equipped with a 14.2mm dynamic driver and precise tuning with Xiaomi Acoustic Lab, you can enjoy an amazing sound experience with solid bass Clear Call Voice with Dual Mic Noise Reduction:Dual microphone noise reduction reduces wind noise up to 4m/s when phone calls. It also effectively reduces ambient noise so you can make clear calls indoors or outdoors 5 Equalizer Settings via Xiaomi Earbuds:Built-in 5 Equalizer settings to support a variety of scenes. For example, you can experience a powerful, dynamic drum beat in bass enhanced mode, or even enjoy the singer voice clearer in vocal mode 14.2mm dynamic driver, 5 Tuning Modes