Fangrui Product Details 1. Retekess Tr602 2 Band Bluetooth Radio Mp3 Player 2. Frequency: Fm: 87.5-108 Mhz, Mw: 522-1710 Khz 3. Supported Memory: Tf Cardusb Flash Drive, Up To 16gb 4. Wireless Version: 2.1 5. Wireless Range: 10 Meters 6. Audio Format: Mp3 7. Speaker: 40mm 16-core Internal Magnet 8. Output: 2w X 2 9. Frequency Response: 120hz-20khz 10. Distortion: 1.5w = , F = 1khz 11. Built-in Rechargeable Battery: 1000mah Lithium Battery 12. Charging Voltage: Dc 5v 500ma, Type-c Interface 13. Features: 14. Combines Amfm Radio Frequency And Wireless (30-foot Range) Speaker Functionality; Mp3 Player Supports Tf Cards And Usb Drives; Aux Audio Input; Features A Standard 3.5mm Jack; Allows You To Listen To Music Anytime, Anywhere With Headphones 15. Durable Uv-resistant Plastic Provides Excellent Protection And A Premium Feel; Raised Control Buttons On The Rubber Frame, With Separate Volume Updown Controls; Previousnext And Mode Selection Buttons Respond With Voice Prompts For Simple And Convenient Operation 16. Long Antenna For Better Reception, With An Extendable Antenna Length Of Up To 56 Cm; Performs Exceptionally Well In Signal Reception; Amfm Mode Ensures Stable Sound Quality 17. Features An Fm Tuner And Can Also Function As An Mp3 Player, With An External Speaker Compatible With Usb Flash Drives Or Microsd Cards 18. Compact Size For Easy Portability 19. Mp3 Music Player Supporting Tf Cards And Usb Drives; Hands-free Calling; Large Led Display; Sleep Timer