Magnet Wireless Bluetooth Sports Earphone Headset Headphone For all Product Description Specifications: 100% brand new and high quality Magnetic suction design, easy to wear 3D stereo, Leisure listen to the music, Call Bluetooth Version: V4.0 Operating Distance: 10m Talking Time: 8 hours Standby Time: 180 hours Charging Time: about 2 hours Noise Reduction: CVC 6.0 Compatible Bluetooth version: V4.0/V3.0/V2.0/V1.2/1.1 Function: Call and Listen Music Charging standard: Micro USB, DC-5V/500mA