Product Description material: plastic Colour: Black Battery: 2000mh lithium battery Color Duration: 6500~7000K Luminous Flux: 36lmCRI: >80 Input: Micro USB 5V/1A Package Includes: 1*Rechargeable Hug Light 1*USB Charging Cable 1*Instruction Manual 1.3 Colors and adjustable brightness 3 useful color temperature modes: Yellow (3000K), Warm White (4000K) and Cool White (6000K). Each head has an independent switch for 3 dimmable brightness levels. You can choose the comfortable setting for reading,knitting, camping or tinkering, etc. according to your preferences. USB. Up to 80 hours (general reading, single head) Get powerful, undiminished brightness from the included 1000mAh rechargeable battery. 3. Eye protection and ergonomic design Flicker-freeand blue light filter design, using advanced LED lamp beads. No more eyestrain for kids and adults. The arms are flexible and adjustable so you can achieve the most comfortable angle. Ergonomic design around the neck, free hands completely 4. Appearancedesign Special narrow beam angle (90) design. It's bright enough for the area you place it in, yet dark enough not to disturb your sleeping partner. Shipment Quantity: 1 piece Package Contents: Only the above package content, other products are not included. Size: 6.1 inches (Reminder: The size is measured manually, please allow 1-2cm measurement error) Colour: Black (Due to different monitors and lighting effects, the actual color of the product may be slightly different from the picture color.) Products from 's store