・Intelligently detect background noise,HiFi sound quality,ensure clear call ・Earhook type Bluetooth-compatible headset,180° rotation design for longer wearing comfort ・Bluetooth-compatible 5.0 connection,the Bluetooth-compatible transmission connection distance is up to 10 meters ・IPX5 grade waterproof,more freedom of movement ・150mAh built-in battery,about 10 hours long using time ・The ergonomic ear-hanging headset is comfortable to wear,so that you don't have to worry about the earphone falling under various intensity exercises ・Suitable for iOS and Android smart phones and tablets Specification: ・Bluetooth-compatible version:5.0+EDR ・Transmission distance:10 meters ・Battery capacity:150mAh ・Use time:about 10 hours ・Charging time:1-2 hours ・Size:72*60*21mm Package included: ・1 x Bluetooth-compatible Headset ・1 x Charging Cable ・1 x English and Chinese User Manual