Product Description Manufacturer Xiaomi Model Mi Sport Bluetooth Earphones Type Bluetooth 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 | white Package Bluetooth Ear-Hook Headphones x1/Ear cap x 5 pairs/Charging cable x1 Durable and tangle-free cable and 25% curve for comfort.