Model: E1001BT Driver unit: 2 BA, 1 dynamic Music play time: 7 hrs Talk time: 7 hrs Charging time: 1 hr Impedance: 32 ohms Bluetooth: 4.2 Bluetooth protocol: HFP, A2DP, AVRCP Wireless range: 35 ft (10.7 m) Input: 5V 1A Weight: 1.5 oz (42.5 g) Included 8 pairs of ear tips ...