General description This Rechargeable Neck Light features two flexible arms and three color temperature modes: yellow (3000K), warm white (4000K), and cool white (6000K). It is designed for various activities such as reading, knitting, camping, and repairing, making it an ideal gift for both children and the elderly. Technical specifications Color temperature modes: Yellow (3000K), Warm White (4000K), Cool White (6000K) Charging time: 2 hours Wireless usage time: Up to 30 hours Usage Each head has an independent switch to adjust three brightness levels. Long press the switch to turn on/off; short press to adjust color temperature. Indicator light changes from red to green when fully charged. Ergonomic design allows for hands-free use while reading, knitting, or during travel. Ideal for use in various settings, including bunk beds, cars, and during night flights. Other information Eye protection with advanced LED lamp beads, no flicker, and blue light filter. Flexible and adjustable