WH-CH710N Over-Ear...

Frequency Response Range: 20-20000 HzActive Noise-Cancellation: YesBuilt-in Microphone: YesBattery Capacity: 55 mAh

Bluetooth 5.1 technology ensures higher data transfer speed, stable and fast connection, and low power consumptionTrue wireless dual-ear design, left and right earphone channels are separated. It can be used solely or used in pairsTouch control design, no more physical buttons, no more pressure on your ears Easy to control music and calls, and activate voice assistantBuilt-in Mic on both earbuds with intelligent noise reduction delivers clearer and more real talking sound in stereo modeA 250mAh charging case can charge and store the earbuds 30mAh battery in each headphone ensures 5 hours of music playing time

BT 5.1 chip ensures stable and fast connection, low power consumption and low latency.Adopt 13mm dual-frequency moving coil unit, high frequency analysis, restore sound details without distortion.After the first pairing, just take the earbuds out of the charging case, the earbuds will automatically connect with your mobile phone.Semi-in-ear design, fit the ear canal, bringing comfortable wearing experience.Built-in microphone, AAC/SBC audio decoding, clear sound quality.