Features: 1. Fashion design, let music surround your life at any time. Hands-free function, turly free your hand. 2. Built-in rechargeable lithium-ion battery, long standby and working time. supports power display on, easy to know when to charge. 3. New waterproof structure design, supports Siri intelligent voice control function for IOS 4.0 and above, and supports Android intelligent voice control function, convenient, fast and intelligent. 4. With the latest Bluetooth 5.0+ Bluetooth technology, transmission, ultra-low power consumption, all Bluetooth devices, automatic answer function, switchable manual answer function, safe and fast, built-in high-quality anti-interference microphone It can effectively realize hands-free answer and hang up calls. High-quality sound, supports the latest song or song function, volume increase and subtraction, playback pause, automatic redial and other functions. 5. TWS motorcycle headset for communication, clear intercom, two-person intercom/noise reduction/6 levels waterproof/Bluetooth 5.0.Specification:Bluetooth version: V5.0+Frequency: 2.40GHz-2.480GHzRange: 20-30 meters (depending on device)Microphone transmission distance: maximum 1 meterLithium battery: 3.7v/820mAhPlaytime: maximum 70 hoursCharging voltage: 5VStandby time: 280 hours.Color: BlackMaterial: ABS+electronic componentsNote: This headset is not a walkie-talkie, but if 2 headsets are paired with 2 mobile phones via Bluetooth, they can chat and communicate via mobile phone calls or chat programs.Package Contents:2 x Headphones2 x Bass2 x Helmet Microphone Speaker2 x Charging CableThe above package content only, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. actual. The allowable measurement error is +/- 1-3 cm.