Bluetooth Earphone, Awei A980BL Watertproof V4.0 Wireless Bluetooth Earphones In-Ear & Stereo for Running Sports Earpiece with Magnet Attraction(Gold) Support APT-X HiFi sound quality,Sweat and splash proof can let you enjoy outdoors activities. NFC quick paring, save your time and promote efficiency,CVC6.0 intelligent noise reduction to provide high quality music. Bluetooth version: CSR V4.1, NFC quick pairing, connect two phones at the same time Charging hours: 2hours, Playing time: 8 hours,Calling time: 10 hours, Stand-by Time: 180 hours Li-ion 130mAh Battery, Waterproof IPX4 level.