Product name: RGB full color glow clock Appearance size: 29*6.5* 8cm Product material: black walnut, acrylic, aluminum alloy panel Input power: 5V 1A Rated power: 1W Product light source: built-in 16 million full-color LED Product function: display time, electronic alarm clock, various lighting effects, DIY clock Application scenarios: desktop decoration, holiday gifts, etc. Q: Is this clock rechargeable or plugged in? A: This clock is powered through the USB interface, and comes with a USB power supply and a TYPE-C charging cable. Q: Does the time need to be reset after a power failure? A: There is a button battery on the main board, and it will continue to run when the power is cut off. You do not need to reset the time when you plug it in again after the power is cut off. Q: Is this clock setting convenient to adjust the time? Do I need to use a computer to set it? A: The clock is equipped with a special time setting button, which can be very convenient to set the time, and it does not need to be so complicated to set by a computer. The built-in clock chip is very accurate, you don't need to adjust the time frequently, it's simple and worry-free!