M9 Wireless Bluetooth Speaker Multifunctional Desktop Alarm Clock Support TF Card & U Disk & AUX US Plug 1. With Bluetooth, FM, day of the week, TF, U disk, AUX, temperature, audio cable connection to play music 2. 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 day 3. 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 freely 4. Sleep automatic shutdown function, once 15 minutes (can be set to 15 30 45 60 75 90 minutes automatic shutdown function) up to 90 minutes 5. 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 current 6. Mirror surface LED display, week display, adjustable LED lamp beads display screen backlight brightness, you can also turn off the display 7. With, week, time, temperature, function mode display (1224 hours can be switched) 8. Support lossless format music, 40-diameter inner magnetic speaker plus a backed diaphragm 9. Large-size LED lamp beads for full status digital display, CR2032 button battery power-off time memory function 10. Built-in temperature display sensor, measure the actual temperature and display it on the LED screen, the default is Celsius parameter: 1. Input voltage: 5V 2A 2. Expansion storage: 16GB 3. Power input: AC input 100-240V 50-60Hz 4. DC output: 5V2A transformer 5. Product size: 110x90x65 mm 6. Weight: 330g 7. Bluetooth protocol: 4.1 8. Number of speakers: 2 9. Effective distance: 10 meters 10. Operation mode: button 11. Shell material: plastic 12. Support format: TF card U disk (not included)