1. IP67-level structure waterproof: high-standard IP67-level structure waterproof, soaking in water not affect normal use. 2. Built-in high-capacity battery, ultra-long standby time: 1100 mAh battery provides 170 hours of continuous playback time with intelligent power management system, and the low-power electronic devices greatly improve the use time, no more frequent charging troubles, 2 hours fast charging provides 1000 hours of battery life. 3. Ambient lights: Freely switch colors, four lighting modes. 4. Powerful 5.3 chip: Bluetooth 5.3 chip, stable performance and quality, low energy consumption, and long battery life. 5. Automatic answering calls, riding: automatic answering and manual answering calls are optional, you do not need to take out your mobile phone to answer the call. You can choose to automatically answer the call after caller ID voice prompt or just manually answer the call. and hold the phone function key for 3 seconds to reject the incoming call. Bluetooth version: 5.3 Transmission distance: 10m Working hours: 170 hours Standby time: 1000 hours Rechargeable battery: 3.7V/1100mAh polymer battery Fast charging time: 1-2 hours Waterproof level: IP67 Charging Port: USB Type-C Noise reduction capability: noise reduction at 60-120 km/h Charging voltage: USB 5V 1A-2A Voice control operation: double tap the volume down button Music EQ: Preset Microphone Type: Structure Waterproof Microphone Working temperature: -55+125 degrees Celsius Battery working time: about 70 hours of continuous playback (at maximum volume) Applicable scene: suitable for motorcycle helmet Colour:As Shown Material:ABS Package Contents: 1PCS x Motorcycle Earphones 1PCS x microphone 2PCS x Base bracket 1PCS x Charging cable 1SET x Paste Tool 1PCS x English instruction manual 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.