Features:1. Fashion design, let music surrounding your life any time. Handsfree function, turly free your hand. 2. Set-in rechargeable Li-ion battery, long stand-by and working time. support power displaying on, easy to know when will to be . 3. New waterproof structure design,supports the Siri intelligent voice control function of the IOS 4.0 and above, and suports android intelligent voice control function, convenient, quick and intelligent. 4. Using the latest Bluetooth 5.0+ Bluetooth technology, transmission, ultra-low power consumption, all Bluetooth devices, automatic answering function, switchable manual answering phone function, safe and fast, built-in high quality anti-interference microphone It can effectively realize hands-free answering and hang up calls. High fidelity sound, support last song or next song function, volume addition and subtraction, playback pause, automatic callback and other functions. 5. TWS motorcycle headset for smooth communication, clear intercom, two-person intercom/ noise reduction/6 level waterproof/Bluetooth 5.0. Specification: Bluetooth Version:V5.0+ Frequency:2.40GHz-2.480GHz Range:20-30 meters(depending on device) Transmission distance of microphone: no more than 1 meter. Li-ion battery: 3.7v/820mAh Playback time: no more than 70hours Charging voltage: 5V Standby time: 280hours. colour:Black Material:ABS+electronic components Note: This headset is not a walkie-talkie, but if 2 headsets are paired with 2 mobile phones via Bluetooth, they can chat and communicate through mobile phone calls or chat software. Package Contents: 2 x Earphone 2 x Base 2 x Helmet microphone speaker 2 x Charging cable Only the above package content, 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. The measurement allowed error is +/- 1-3cm.