1. With Bluetooth, FM, day of the week, TF, U disk, AUX, temperature, audio cable connection to play music2. Dual alarm clock function (Alarm 1 can set weekday and non-working day alarm clock and daily alarm clock), alarm clock 2 will automatically turn off that day3. The alarm clock is available. Buzzer. Music in the TF card. The sound of the FM radio is the alarm reminder. The alarm volume can be adjusted up or down freely4. Sleep automatic shutdown function, once 15 minutes (can be set to 15 30 45 60 75 90 minutes automatic shutdown function) up to 90 minutes5. With dual USB to charge the device, the dual USB on the front of the fuselage can be used for mobile phones, tablets, and connected charging, 1A and 2A current6. Mirror surface LED display, week display, adjustable LED lamp beads display screen backlight brightness, you can also turn off the display7. With, week, time, temperature, function mode display (12/24 hours can be switched)8. Support lossless format music, 40-diameter inner magnetic speaker plus a backed diaphragm9. Large-size LED lamp beads for full status digital display, CR2032 button battery power-off time memory function10. Built-in temperature display sensor, measure the actual temperature and display it on the LED screen, the default is Celsiusparameter:1. Input voltage: 5V 2A2. Expansion storage: 16GB3. Power input: AC input 100-240V /50-60Hz4. DC output: 5V/2A transformer5. Product size: 110x90x65 mm6. Weight: 330g7. Bluetooth protocol: 4.18. Number of speakers: 29. Effective distance: 10 meters10. Operation mode: button11. Shell material: plastic12. Support format: TF card U disk (not included)