ZXL-G50 Mini Mirror Alarm Bluetooth Speaker Support TF Card Features: 1. With strong magnetic high-definition speakers, the sound is clear and loud without distortion 2. Support TF card music playback 3. Mirror screen display, both a speaker and a clock, can be used as an alarm clock, and one thing is multi-purpose 4. Built-in real-time temperature sensing device, real-time screen display temperature Product parameters: 1. Material: ABS, electronic components 2. Function: insert card, radio, voice prompt, call function 3. Bluetooth protocol: 5.0 4. Effective distance: 10 meters 5. Interface type: USB 6. Frequency response range: 150HZ-20KHZ 7. Output power: 3W 8. Speaker: 4 ohm 3W 9. Signal-to-noise ratio: 75DB 10. Channel: 2.1 11. Number of speakers: 1 12. Distortion rate: less than 0.5 percent 13. Support format: TF card, Bluetooth 14. Speaker adjustment method: button 15. Is there a radio function: yes 16. Battery capacity: 1400mA (18650 lithium battery) 17. Play time: 6 hours 18. Product size: 11.8 x 4.8 x 3.5 cm 19. Product weight: 200 grams Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.