Features: 1. Brand new and high-quality 2. Compatible with most smartphones and Bluetooth headsets on the market, except the Xiaomi mobile phone 3. Bluetooth 5.3 version, backward compatible with various Bluetooth versions 4. 120mm strap design, which can be fixed in the bicycle, motorcycle, motorcycle grip 5. IP67 Waterproof, silicone material, can do a good job of dustproof and rainproof 6. Bluetooth hands-free function can help a rider to control their phone calls. 7. Support voice assistant, to wake up the Siri/Android/Google voice assistant on mobile phone Specifications: Material: ABS+Silicone Battery: 500mAh Charging time: About 1.5h Standby time: About 1-2month Playing time: About 800h Product size: 165 * 45 * 35mm Package list: 1*Bluetooth Control 1*Charging cable 1*User manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin