Product detailsItemname: HeadphoneColor: black, white,pinkModel: lenovo thinkplus th10Moving coil: 40mmCable connection: 3.5mm audio cableBluetooth Wireless: 5.0Charging interface: USBBluetooth transmission distance: 10-15mBattery capacity: 300mah (built-in)Battery life: 8 hours of play, 12 hours of playback