Stepless Dimming & 3 Colour The reading light for books in bed has three color temperature modes, cold white, warm yellow, warm white. Each head owns an independent induction switch, short touch to adjust color mode, long touch to adjust brightness. You can choose a comfortable setting as you wish for reading, knitting, repairing, or camping, etc.Rechargeable & 80 Hours Long-Lasting Upgrade rechargeable neck reading light. Built-in 1000mAh rechargeable lithium battery enables you to enjoy the wireless reading time of 7-13 hours (The lowest brightness light can be used for most 80 hours!). Standard micro-USB cable included.Flexible Arms & Lightweight The neck light is covered with premium soft silicone, it can be bent, folded into any shape, simple to create the perfect illumination for yourself angle in different environments. With only 0.12kg weight, the bendable book light doesn't require much space and can fit easily into your carry-on suitcase, making it an ideal choice from all aspects.Hands-Free & Not Disturb Others With the neck book light, no more holding a flashlight by your hand or by your mouth, just wear the light around your neck when you are reading or busy repairing. Shining the smallest area with enough bright light for reading without disturbing your sound asleep partner.