Features: 1. Shocking three-dimensional subwoofer effect 2. Bluetooth/TF card/AUX, three playback modes 3. The top of the speaker supports wiress charging of mobile phones 4. Mirror LED digital clock display, high-definition display, beautiful and convenient 5. Three levs of brightness design, you can adjust ly 6. Built-in high-definition microphone, the voice of the call is clear and bright, intligent noise reduction without Product parameters: 1. Function: clock, alarm clock, wiress charging, audio 2. Bluetooth version: 5. 03. Support protocols: A2DP, AVRCP, HFP, HSP 4. Transmission range: 10 meters 5. Wiress frequency band: 2.402-2.480GHz, ISM 6. Frequency response range: 100HZ-20KHZ 7. Signal-to-noise ratio: 85dB 8. Rated power: 15W 9. Interface: AUX-in, Micro, SD card, Type-C, DC5V/1A output 10. Speaker size: 45mm 11. Output power: 5W 12. Pive diaphragm: 40mm x 113. Charging port: Type-C/USB-C 14. Battery capacity: 2000mAh lithium battery 15. Working time: about 6 hours 16. Waterproof lev: IPX 217. Product size: 13 x 9 x 6.85 cm 18. Weight: 385 grams