wireless Bluetooth® in-ear earphones listen to music and take calls with the headphones on (built-in microphone) Bluetooth V4.2 supports: HFP, HSP, A2DP, AVRCP operating range: up to 10 meters rechargeable battery: charging time ± 1.5 hours - charges through micro usb talk time: up to 3 hours music playback time: up to 3 hours standy time : up to 180 hours buttons: power, pairing, volume +/- Product basic info Primary colours: Grey Additional colours: Black Depth unit: 12.1 cm Height unit: 18 cm Width unit: 3.5 cm Weight unit: 86 g Material: ABS Physical properties Headset type: On-ear Technical data Battery capacity: 50 mAh Operational properties Autonomy: 3 h USB rechargeable: Yes IT connections Bluetooth connectivity: Yes Bluetooth connection range: 10 m USB port type: USB-B-micro (EN)