[Durable Rechargeable] USB Type-C rechargeable that is reversible and therefore easier to plug in compared to other Micro-USBs. Up to 80 hours (general readout, single head) of powerful, non-waning brightness thanks to the rechargeable battery of 1000mAh included. [3 Colors 6 Adjustable Brightnesses] 3 useful color temperature modes: yellow (3000K), warm white (4000K) and cool white (6000K). Each head has an independent switch for 3 levels of adjustable brightness. You can choose a setting Comfortable as you like for reading, knitting, camping, or repairing, etc. [Ergonomic Eye Protection Design] No flickering and blue light filter with advanced LED beads. No more eye strain for children and adults. The arms are soft and adjustable so you can get the angle the most comfortable for you. Ergonomic design around the neck, and hands are completely free. [Welcoming to Partners] Special Narrow Beam Angel Design (90). It is bright enough for the area you have positioned and at the same time low enough not to disturb your sleeping partner. Name: Neck Type Reading Light Light Color: Warm Yellow, Near White Light, Far White Light (6000K) Brightness adjustment: stepless dimming (long press) Number of LED Lamp Beads: 4 Operating Mode: Button Shell Material: PC+ABS Battery Type: A product lithium-ion polymer battery Power Capacity: 2000mah Input: 5 V