Awei A885BL Sport IPX4 Waterproof Wireless Bluetooth Headphone (Black) Ideal listening to HD music while running Highlights: Ergonomics design makes it comfortable to wear. Specially designed ear hook that will not drop easily. Multi-point: can connect to two devices at the same time. IPX4 waterproof level, protect headphone from rain and sweat. With NFC function, fast connection by touch lightly. Compatible with most of devices(WP/Android/iPhone system) Hands-free call function. Bluetooth Version CSR4.1 Talk Time-8 hours Charging Time-2 hours Standby Time -180 hours No refund No return Please CHAT to order Wholesale price available for retail bulk purchase.