Features: 1. and 2. Compatible with most smartphones and Bluetooth headsets on the market. 3. Bluetooth 5.0 version, backward compatible with various Bluetooth versions 4. Magic 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 the rider to control their phone calls. 7. Support voice assistant, to wake up the Siri/Android/Google voice assistant on mobile phone Main Feature You May Concern: 1. Bluetooth 5.0. 2. Product does not occupy the Bluetooth channel. 3. Easy Installation—Bind the product to the Handlebar with a bandage. This Occasion You May Need It: 1. Car/Home/ Office 2. Ourdoor Sports (Skiing/Ride a bike or motorcycle/climbing) 3. Fitness Exercise (Dance/Yoga/Gym) Super Compatibility: For Apple IOS devices supporting Bluetooth3.0 and later; For Android devices support 4.0 or later. The products do not occupy the Bluetooth channel. After pairing it also can be paired with another Bluetooth device. it can control the mobile phone's music and call sound. Specifications: Bluetooth Version: V5.0 Working Time: 10 days Charging Time: <2 Hours Operating distance: 10M Lithium Battery Capacity: 450 mAH Working Temperature: -10-55℃ Size: 10.7 x 3.9 x 1.3cm Package includes: 1x The remote controller 1x Bandage 1x Charging cable 1x 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.