Power supply: -USB power supply: connect to the power supply. -USB charging: rechargeable. It can also be connected to a power source. -RGB USB charging: rechargeable. It can also be connected to a power source. Operation mode: -USB power supply: Can't adjust brightness, can't switch color, can't be timed. -USB charging: three-level dimming and timing. -RGB USB charging: three-level dimming, timing and switching 7 different light colors.
Light color: multicolor. Shell color: white Size: about 136 * 128mm Battery capacity: 1200 mAh Switch: remote control
feature: 1. The brightness of the light can be adjusted and timed. 2. USB charging, large capacity battery, long time use; 3. The light is soft and does not hurt the eyes; 4. Remote control, convenient and fast. 5. Can be used as a pen holder, one lamp and two purposes.