Wearing style: shallow in-ear style Noise reduction: beamforming Mobile phone system version: Android 7.0/iOS 11.0 and above product information: Category: AI instant translation earplugs Series/Model: M6 Bluetooth (earbud type): BLE 5.0 Maximum. Connection distance: 10 meters Automatic connection: automatically connect within 0.5 meters of the mobile phone Automatic reconnection: automatically reconnect by pulling the earbuds out of the charging case Battery duration (per earplug): 5 hours+ Charging time: 1.5 hours Charging time (charging box): 1.5 hours Charging port: TYPE-C Material: plastic colour: black Package Contents: 2 x earphones 1 x charging box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.