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, Ufrequency 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 . Product name: motorcycle bluetooth headset Item model number: E1 Bluetooth version: 5.0 Battery: 3.7V/800mAh Charging time: 2H Talk time: 12h Standby time: 240H Waterproof grade: IPX6 size: 26 x 50 x 103mm Material: PCB colour: black Package Contents: 1 x motorcycle bluetooth headset 1 x Fixed base 1 x Microphone speaker (Note: hard wire microphone/soft wire microphone random, 't accept the specified.) 1 x Charging cable 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.