Feature:1. HANDS FREE CALL: Motorcycle bluetooth headset supports all mobile phones with bluetooth, hands free calling, automatic answering of incoming calls, no need to get to your phone, safer and more convenient for cycling. Easy to use function control.2. ADVANCED TECHNOLOGY: Motorcycle bluetooth headset uses the latest bluetooth 5.0 technology, super strong signal transmission, ultra low power consumption, switchable manual answering function, safe and fast, built in superior anti interference microphone.3. NOISE REDUCTION: Motorcycle headset features triple noise reduction with microphone, DSP and CvC to identify human voice and ambient noise, plus windproof sponge to block out background noise, even at speeds up to 100km/h.4. LONG STANDBY TIME: Motorcycle bluetooth headset can be connected to two mobile phones at the same time and the battery level can be displayed on the phone screen. Built in rechargeable battery, playback time 70 hours, charging time approx. 5 hours, standby time approx. 280 hours.5. VOICE CONTROL: Motorcycle helmet headset supports intelligent voice control function, supports for Android intelligent voice control function, convenient, fast and intelligent.6. WATERPROOF DESIGN: Motorcycle bluetooth headphones have a new waterproof design with nano coating waterproof technology, even if it rains, it will not damage the internal electronics and can be used all day long.Specification:Item Type: Motorcycle Helmet HeadsetMaterial: ABSModel: BT22Bluetooth Version: 5.0Frequency: 2.402GHz-2.480GHzRange: 20-30m/65.6-98.4ft (Depending on Device)Microphone Transmission Distance: No More Than 1m/3.3ftBattery: 820mAh Lithium Ion Battery (included)Playback Time: 70 HoursCharging Voltage: 5VCharging Time: 5 HoursStandby Time: 280 Hours.Package List:1 x Motorcycle Bluetooth Headset Main Unit 1 x Headset And Microphone 4 x Hook and Loop Fasteners1 x Charging Cable 1 x Manual