Mini 3LED USB led light usb light ultra-thin mini creative USB camping light night light Dimensions: 24*12*2MM Color: black and white Special for mobile power, can be used as desktop computer light The single-sided 3LED, 0.2w ultra-low power, 2835 multi-chip LED, long-term lighting test, no problem with heat dissipation, please rest assured. 5000mah mobile power bank, fully charged for about 100 hours. Working current is only more than 40 MA, high luminous efficiency, energy saving It can be put in a wallet or hung on a key, which is very portable. Power supply: standard USB interface, as long as it can be plugged into USB, 5V power supply, mobile power supply, notebook, netbook, desktop computer can be. (Note: Because the power consumption of LED lights is very small, many mobile power sources that are full of self-stops are not suitable for use, and they will be automatically turned off because they are not loaded)