Features: Features: 1.TWS motorcycle headset for smooth communication, clear intercom, two-person intercom/CVC noise reduction/6 level waterproof/BT 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 Specifications: Battery: 3.7V 800MAH Lithium Battery Working Hours: 15h Standby Time: 350h Charging Time: 3h Color: Black Package Weight: 280g/9.9oz Package Size: 16*7.5*5.5cm/6.3*3*2.2in Package List: 1*Motorcycle BT Intercom 1*Headset 1*Charging Cable 1*Microphones 1*Manual  Only supports front and rear seat intercom