Features: Bluetooth 5.0 chip, more power saving, low latency, no noise, to achieve stable high-quality audio transmission. CVC intelligent noise reduction, ultra-high sensitivity anti-noise silicon microphone and wind and noise-proof microphone cover to ensure the quality of the call. Realize the control of the basic functions of the mobile phone, (receive calls, play music); automatically answer the call, if you don't want to answer, you can press the button to reject or hang up, and then redial the last number. The product adopts 800mAh large-capacity rechargeable polymer lithium battery, with a talk time of 40 hours and a standby time of 400 hours. The product is designed with IP67 high-level waterproof, even if it is used in rainy and snowy weather, it will not be affected at all. The product adopts large button design, reasonable layout and clear functional area, ensuring that the riding operation can be completed quickly and safely. With cool breathing light, three modes are adjustable, bringing more color to riding. The product comes standard with a sticky base and a clip-on base, which are suitable for more helmet-type installations. The product comes standard with two-in-one soft and hard wheat, suitable for full-face helmets, off-road helmets, rally helmets, winter half-helmets, open-face helmets, and retro helmets. The shell of the product is made of ABS material, the surface is treated with rubber oil, and the internal silicone inlaid structure is deeply waterproof, light-resistant and durable. Product Name: X7 [Host net weight]: 42g (single host weight) [Host size]: 90*40*20mm (single host weight) [Product large weight]: 205g (packaging weight of the whole set of color boxes) Color box size: 133*102*60mm Product color: red [Bluetooth version]: 5.0 [Battery capacity]: 800mA lithium battery Working hours: 40 hours Standby time: 400 hours Charging time Charging interface: Type C [Power requirements]: 5V1A [Bluetooth distance]: 10-15 meters [Installation method]: clip-type base installation and stick-type base installation