Fangrui Product Details 1. Wireless Connections: Bluetooth Compatible V2.1 Technology, Support Bluetooth Stereo Music Play. Quick Pairing With Smartphone Via Bluetooth. 2. Mp3 Music Player: Supports Music Playback In Tf/usb/aux-in Mp3/wma Formats,also Supports Strong Signals For Fm Radio. 3. Good Sound Quality: Built In Digital Integrated Power Amplifier And 5w Full Frequency Unit. Supports Usb And Memory Card. Via Bt Connection, Enjoy Your Music On The Road And Relax At Any Time. 4. Premium Chips: To Improve The Audio Effect, The State Of Art Audio Processing Chip Is Integrated To Provides Smooth Audio Playing. 5. Multiple Protection: Over Voltage Protection, Reverse Connect Protection, Short Circuit Protection, Has Long Service Life And Safe To Use. Superior Appearance: Ip54 Waterproof, Stylish And Elegant. Adjustable Bracket, Suitable For Any Motorcycle Handlebar. Note: Installation Guide Not Included, We Strongly Recommend You Professional Installation. Please Check As Much As Possible To Make Sure The Item Is What You Ne