1. Using Bluetooth 5.0 chip, more saving, low latency, no noise, to achieve stable and high-quality audio transmission. 2. Adopt CVC intelligent noise reduction, ultra-high sensitivity anti-noise silicon microphone and wind-proof noise microphone cover to call quality. 3. The product can be connected to two mobile phones at the time to realize the control of the basic functions of the mobile phone, (answering calls, playing music); automatically answering calls, if you do not want to answer, you can press the button to reject or up, and then redial the last code. 4. The product uses a 1200mAh -capacity rechargeable lithium polymer battery, with a talk time of 30 hours and a standby time of 600 hours; it supports smartphones to see the display of the headset, and can check the anytime, anywhere, at a glance; it can also be used during riding. , while charging, to achieve both charging and . 5. 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. Suitable for full face helmets, open face helmets, helmets, half helmets, retro helmets. Specification: Product name: Helmet bluetooth headset : LX3 Bluetooth version: 5.0 Battery capacity: 1200mA Working hours: about 30 hours Standby time: 600 hours Charging time: about 2.5 hours Charging interface: Type-C Battery type: rechargeable lithium polymer battery requirements: 5V1A Bluetooth distance: 10-15 meters Installation : clip installation Material:ABS colour:Yellow Package Contents: 1 x Bluetooth 1 x Headphone (hard-wired microphone) 1 x Charging cable 1 x Speaker Buckle Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.