Wireless Bluetooth Headset High Sound Quality Multifunctional Mobile Power Supply $ 50.94 Product information: Color: silver gray, Working hours: about 6 hours Bluetooth version: V5.0 Headset battery: 3.7V 60mAh Charging compartment battery: 3.7V 3000mAh Product Size: 74*28 * 95mm Working radius: Barrier-free 15m Battery life: about 120 hours Output: 5V 1A Packing list: 1* Headset Product Image: