Features 3 Adjustable Colours: Comes with 3 useful colour temperature modes: yellow(3000K) warm white(4000K) and cool white(6000K). You can choose a comfortable setting as you wish for reading knitting camping repairing etc. Rechargeable and Long Lasting: Included USB Type C rechargeable which is reversible and thus easier to plug in compared with other Micro USBs. Can last up to 32 hours (general reading single head) of powerful non diminishing brightness from the included premium rechargeable 1000mAh battery. Eye Caring and Ergonomic Design: No flickering and blue light filter design with advanced LED beads. No eye strain anymore for both kids and adults. The arms are supple and adjustable so you can get the angle most comfortable for you. Partner Friendly: Special narrow beam angel (90°) design. It is bright enough to light the area you are positioned in while at the same time dim enough to not disturb your sleeping partner. Product Guarantee: Original patent applied. FCC CE RoHS PSE approved. NOTE: Use the included Type C cable your original cable or a third party certified cable; AC adapter is not included. Specifications: Colour: Black Material: APS + Silicone + Metal Type: LED Power: 3W Voltage: 12V Colour Index: 85CRI+ Product Dimension: 30 x 12.5 x 2cm Product Weight: 168G Light Colour: Warm Warm White White Brightness: 3 Level Battery: Lithium Battery Capacity: 850MAH Charging Time: 3 4 hours Working Time: 8 32 hours Package Contents USB Type C 0.8m x 1 Instruction Manual x 1 LED Neck Reading Light x 1