X10 Multifunctional Bluetooth Speaker LED Night Light Alarm Clock Bluetooth Speaker, Support TF Card AUX FM Radio, Specification: EU Plug 1. Bluetooth version: 5.0 2. Transmission distance: within 10 meters 3. Speaker diameter: 40 mm 4. Frequency response range: 50-60Hz 5. Signal to noise ratio: 75dB 6. Power supply: external USB power supply 7. Power supply: DC 5V 8. Expansion storage: 16GB 9. 5W full frequency 40 internal magnetic speaker 10. The inclined plane is 45 degrees to expand the visual experience 11. Built-in microphone, one key to complete incoming calls 12. FM radio can be adjusted 13. Weight: 440 grams 14. Size: 12x12x11.7 cm Function keys: 1. Short press to power onswitch function, long press to power off 2. Adjust the screen brightness, SLEEP automatically shuts down 3. Long press the volume down, short press the previous song, adjust the clock- 4. Playpausehands-freelong pressadjust clock, long press in FM mode to search for radio stations 5. Long press the volume up, short press a song, adjust the clock + 6. Long press to adjust alarm 1, short press to confirm alarm adjustment 7. Long press to adjust alarm 2, short press to confirm alarm adjustment