[4 Light Color x 3 Brightness Adjustable] The light has 28 advanced LED beads. Bright enough to illuminate 2-3 pages of music sheet. 4 color temperatures: white(6500K), warm(3000K), amber(1600K) & mixed(4200K). 3 brightness levels for each color: Low, Medium, High. Long press switch to change light color, Quick Press to adjust brightness | [Blue Light Blocking] The amber mode (1600K) blocks blue light to protect your eyes. No flickering, nor harsh light. It makes music play or reading a pleasure | [USB-C Rechargeable] USB-C is reversible and easy to plug in. The built-in 1850mAh rechargeable Li-ion battery provides you 6-80 reading hours (depending on brightness setting). Click the button at side of clip, the 4 power indicators show the power leftover. Easily recharge using the included USB-C cord | [Clip-on & Stand-Alone Design] The clamp of this music stand light widely opens about 2.36 inches (60mm), it can securely & tightly clip on the music stand or stand alone on the desk | [Portable & Multiple Use] 5.8oz, Lightweight. With 360° bendable gooseneck, it is easy to put in carry bag. Flat Switch Design WON'T accidently turn on and drain battery. The double padded big clip provides stable attachment to music stand, headboard, piano, desk, table etc.