1.TWS motorcycle headset for smooth communication, clear intercom, two-person intercom/CVC noise reduction/6 level waterproof/Bluetooth 5.0. 2. Suitable for a variety of helmet shapes, easy installation, suitable for a variety of helmet types on the market. Full Yue, Wild Helmet, Half Uncovered, Face 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 ability. 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, physical pressure button design, to ensure that the blind operation with gloves can be clearly perceived and accurately operated during riding colour: black Material: ABS size: 26x50x103mm Package Contents: 5*earphone 5*fixed seat 5 * Integrated full helmet microphone speaker 5*charging cable