White Noise Bone Conduction Bluetooth Speaker Sleep Instrument(Grey)

1. Material: ABS+PC plastic shell2. Speaker: 8 ohm/2W3. Frequency response: 20HZ-20KHZ4. Bluetooth version: 5.25. Decoding method: TF card (MP3/WMA/FLAC/APE/WAV), Bluetooth (SBC)6. TF card capacity: 32G (MAX)7. Operating distance: about 10 meters8. Normal working hours: play music for 15 hours9. Prompt voice: English10. LED lights: red and blue status indicator lights11. Operation mode: multi-function compound key12. Battery capacity: 500mAh/3.7V13. Charging interface: TYPE-C14. Charging time: 2 hours15. Charging current: DC5V/310MA16. Charging voltage: 5V17. Place it under the pillow and sing softly at 360 degrees18. 30 minutes/60 minutes free setting time and automatic shutdown19. Dual speakers diffuse sound, 3D surround sound effect20. TYPE-C charging interface, fully charged in 2 hours21. Overcharge protection, slow power consumption22. Dimensions: 89.4×59.3x12mm23. Weight: 48.7 grams