Multi-situational use occasions: hanging on the chest to read a book, hanging on the chest when the night running light use.Can also be used as a small desk lamp erected, can be hung as a camping lamp use.Product specifications.Silicone hose, a hundred different shapes.Light for 3000K-5500K-4500K tricolor light adjustable, brightness infinitely dimmable.Maximum brightness: 90 lumens.4 super bright LED, power 1W.power supply: 400MAH three-element polymer lithium battery.brightest duration: about 4 hours, charging time: about 1 hour.red LED indicator light when charging, automatically extinguished when fully charged.Also with USB charging cable.Instructions for use.Lighting function.Long press the power switch for 3 seconds to turn on the light, and then quickly press the power switch to cycle switch between.3000K light color - 5500K light color - 4500k light color - turn off the light.Users can adjust the brightness according to their needs.