Motorcycle Helmet Bluetooth Headset Ultra-long Life Battery HD Sound Quality $ 19.12 Product information: Product Size: 85mm **35mm Standby time: .18 months Playing time: about 32H. Waterproof grade: .| PX6 Transmission Distance: 20m (no obstacles) Battery capacity: 1000mAh Charging time: about 2.5H Call duration: 30 hours of continuous calls Bluetooth version: Bluetooth 5.3 Packing list: 1* Headset Product Image: