Fangrui Product Details 1. M5 Cool Owl Design Bluetooth Speaker Led Flash Wireless Loudspeaker Fm Radio Alarm Tf Card 2. Features: 3. Cool Breathing Light, Bluetooth Connection Playback, Two-way Hands-free Calling, Tf Card U Disk Music Playback, External Audio Input Playback, Fm Radio Function. 4. Supports All Wireless Device Connections With Advanced Wireless Audio Decoder Chip. 5. Support Line In Audio Input, Provide You With Computer Speaker Function, Can Directly Connect Mobile Phone, Tablet Computer, Tv To Play Music 6. Dual-speaker Stereo, Smart Crossover Technology, High-fidelity Speakers, Pure And Beautiful Sound Quality. 7. A Variety Of Flashing Mode Illusion Led Lights, The Lights Can Be Converted By The Melody Of The Music, One Button To Change, Listening To Music While Giving You A Bright Light. 8. High Quality Microphone, Low Noise Filtering, Echo Suppression Technology, Call Distance Up To 2m, Support Multiple People To Talk At The Same Time. 9. Support Fm Radio, You Can Directly Search The Radio Station In The Listening Area, The Journey Is Only A Music Companion, As Long As The Fw Radio Function Brings You More Exciting Journeys. 10. Multi-function, Meet Daily Listening Needs; Built-in High-performance Lithium Battery, Support Tf Card Music Playback, Aux Audio Input Playback, U Disk 11. Playback, Hands-free Calling Function, Whether You Are Out Or At Home, Can Meet Your Needs. 12. Description: 13. Working Voltage: 3.7v 14. Charging Voltage: Usb Usbdc5v 500-1000ma 15. Usb Specification: Usb2.0 Compatible Usb1.1 16. Speaker Specifications: 4ω 3w 17. Signal To Noise Ratio:> 80db 18. Distortion: < 19. File Format: Mp3, Wav 20. Frequency Response: 20-20khz 21. Battery Capacity: 2500mah 22. Product Gross Weight: 474g 23. Product Size: 17.5 * 7 * 5cm 24. Volume Adjustment: Support 25. Music Switching: Support 26. Call Rejection: Support 27. Packaging: Color Box 28. Led: Colorful Breathing Lights 29. Product Size175*73.5*54mm 30. Packing Size: 20.5*8*6.5cm 31. Package Weight:460g 32. Carton Size: 43*43*35.5cm 33. Qty: 50pcs 34. G.w: 24kg 35. Packing List: 36. 1 * Speaker 37. 1 *