Manufacturer Xiaomi Model Mi Sport Bluetooth Ear-Hook Headphones Type Bluetooth Headphones Weight 17.8 g Material Metal Impedance 32 ohms Bluetooth V4.1 Standby time 280 hours Talk time 7 hours Communication distance 10 meters Bluetooth protocol HFP / A2DP / HSP / AVRCP Interface Micro USB Waterproof IPX4 Battery rechargeable Li-ion 110mAh Color Black Package Bluetooth Ear-Hook Headphones x1 Ear cap x 5 pairs Charging cable x1 Guarantees x1 User manual x1