1. The product adopts Bluetooth 5.0 chip, which is more power-saving, low-latency, no noise, and achieves stable high-quality audio transmission. 2. The product adopts intelligent noise reduction, ultra-high sensitivity anti-noise silicon microphone and wind-proof noise microphone cover to the quality of calls. 3. Realize the control of the basic functions of the mobile phone, (receive calls, ) automatically answer the phone, if you don't want to answer, you can press the button to reject or hang up, and then redial the last number. 4. The product adopts 350mAh capacity rechargeable polymer lithium battery, with a talk time of 250 hours and a standby time of 240 hours. The product is designed with IP67 high-level waterproof, even if it is used in rainy and weather, it will not be affected at all. 5. The product adopts large button design, reasonable layout and clear functional area, ensuring that the riding operation can be completed quickly and safely. The product adopts clip-type installation, which is suitable for summer helmets with thin edges. The product comes standard with hard wheat, which can be adjusted at will, suitable for summer helmets that do not cover the ears. The product shell is made of ABS material, the is treated with rubber oil, and the internal silicone inlaid structure is deeply waterproof, light-resistant and . Product name: motorcycle helmet bluetooth headset Model: LX1 Bluetooth version: 5.0 Battery capacity: 350mA lithium battery Working hours: 25 hours Standby time: 240 hours Charging time: 2 hours Charging interface: TYPE C Power requirements: 5V1A Bluetooth distance: 10-20 meters Installation : clip installation Colour:Black-Blue Material:ABS Size:Host size:100 x 65 x 25mm Package Contents: 1 x Bluetooth host 1 x Hard wire wheat 1 x Charging cable 1 x Instructions in Chinese and English 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.