Features:<br> 1. Utilizes the latest CSR4.0+EDR Bluetooth technology, super strong signal transmission, ultra-low power consumption, and expenditure of all Bluetooth devices;<br> 2. support for automatic answer function, can switch to manually answer the phone function, safe and fast, built-in high-quality anti-interference microphone, can effectively realize the hands-free answer, hang up the phone;<br> 3. high sound fidelity, the function can be operated up and down song, volume up and down, play pause, automatic callback, and other functions, simple operation.<br> Specification:<br> Connection Name: BT<br> Bluetooth Version: V4.2+CSR (update, slightly different from the manual)<br> Transmission Distance: 10M (transmission distance varies due to environmental factors and mobile phone Bluetooth devices)<br> Bluetooth Pairing Distance: 20-30 Meters (depending on the device)<br> Standby: 120 hours<br> Play Time: 15 hours<br> Charging Time: <=1 hour.<br> Lithium Battery: 3.7V/500mA<br> MIC Distance: ≤ 1 meter<br> Frequency: 2402 Ghz-2480 Ghz.<br> MIC Distance: 1 Meter<br> Feature 1: Helmet Headset Bluetooth<br> Feature 2: Helmet Headset Motorcycle Bluetooth<br> Feature 3: Helmet Headset Motorcycle<br> Feature 4: Motorcycle Headset Helmet<br> Feature 5: Motorcycle Headset Bluetooth<br> Feature 6: Motor Headset Bluetooth<br> Feature 7: Helmet Motor Headset<br> Feature 8: Helmet Motor Bluetooth Headset<br> Feature 9: Headset for Helmet<br> Feature 10: Headset Motorcycle Helmet<br> Package Includes:<br> 1* Motorcycle Helmet Headset<br> 1* Cable<br> 1* Manual<br> 1* mic cover<br> 2* static stickers<br>Note: <br>1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. <br>2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you!<br>About Shipping: <br>1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly.<br>2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.<br>3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping!