Sports Magnet Wireless Bluetooth Earphone Headset Headphone For MobilesSpecifications:100% brand new and high qualityMagnetic suction design, easy to wear3D stereo, Leisure listen to the music, CallBluetooth Version: V4.0Operating Distance: 10mTalking Time: 4 hoursStandby Time: 100 hoursCharging Time: about 2-4 hoursNoise Reduction: CVC 6.0Compatible Bluetooth version: V4.0/V3.0/V2.0/V1.2/1.1Function: Call and Listen MusicCharging standard: Micro USB, DC-5V/500mA (IN THE BOX)Only Bluetooth HEADPHONES