1.TWS motorcycle headset for communication, clear intercom, two-person intercom/ noise reduction/6 level waterproof/Bluetooth 5.0. 2. Suitable for a of helmet shapes, easy installation, suitable for a of helmet types on the market. Full , Helmet, Half Uncovered, Helmet, Retro Helmet 3. Whisper in the ear, clear intercom, U frequency band has the characteristics of relatively stable transmission, wide frequency band, clear voice, convenient mobile communication, and strong anti-interference . It is widely used in radio communication. 4. Level 6 waterproof is not afraid of challenges, carefully designed waterproof technology, not afraid of wind and rain, PX6 protective treatment, durable, not afraid of challenges. 5. Pressure button, anti-misoperation, pressure button design, to that the blind operation with gloves can be clearly perceived and accurately operated during Intelligent noise reduction: DSP+ Bluetooth version: 5.0 Battery: 3.7V/800mAh Charging time: less than 2H Talk time: 12h Standby time: 240H Waterproof grade: IPX6 size: 26x50x103mm Colour:black Material:ABS Package Contents: 1 x earphone 1 x fixed 1 x Integrated full helmet microphone speaker 1 x charging cable 1 x Color (random colors, ' accept the specified color) 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.