Dewel Multi-functional LED Music Table Lamp with Bluetooth Speaker, Touch Sensor Control Switch, Rechargeable USB & Built-in Li-Battery Power Supply (Black) 2 in 1 function: Combine table lamp and mini speaker, more fashionable convenient. Create the romantic atmosphere, Cover work, reading, relax and other scenes you need in a whole day and night. Ideal for the office, study, bedroom, camping, traveling and more. Bluetooth Built-in speaker: Just connect your MP3, MP4 or other musical devices via 3.5mm audio cable to the lamp or via Bluetooth. When music is playing, a little colorful LED flashes follow with the rhythm High Sensitivity brightness touch dimmer: Easy for operation, short touch the metal ring, lamp will turn on/off, long touch to adjust the brightness, cater to various needs Built-in rechargeable battery: It supports 2 kinds of power supply. Use USB cable, connect to any USB port like computer, laptop, mobile charger, power bank so on, or install 3 x AAA batteries if need Eye-protection and Energy-saving: No lead or mercury. No UV or IR Radiation. 12PCs high quantity LEDs, Soft light effect, anti-dazzle, relieve visual fatigue. Low power consumption, save up to 75% energy.