MPOW 059 lite Bluetooth Headphones

●The High-fidelity stereo sound ●Built to stay comfortable ●Never power off, both wireless and wired ●hands-free call & built-in Mic -- 1)Bluetooth Version: Bluetooth 4.1 2)Audio Codec: SBC, AAC 3)Chip: CSR8635 4)Play Time: 20-25 hrs 5)Charging Time: 4 hrs 6)Battery: 420mAh 7)DC port: Micro USB