Features: 1. Top wiress charging function, front USB mobile phone tablet charging, and USB playback music 2. Built-in FM radio, supports most FM bands 3. High-definition LCD digital widescreen display, highlight clock backlight 4. Two sets of alarm clocks can be set 5. Mute and no noise, respectivy set 15/30/45/60/75/90 minutes to close the functionParameter: 1. Shl material: plastic 2. Interface type: USB 3. Frequency response range: 100HZ-18KHZ 4. Output power: 5Wx 25. Power supply mode: external power supply 6. Chann: 2. 17. Extended storage: insertable memory card (not included) 8. Bluetooth protocol: 4. 29. Number of speakers: 210. Effective distance: 10 meters 11. Support format: FM/Bluetooth playback/TF card playback 12. Appearance size: 128x102x77 mm 13. Product weight: about 0.85 kg