3-color light source: You can choose cold white light, warm white light or natural light. The 11pcs high-quality LED light source provides clear and soft light to meet the reading needs in different scenarios. Whether you are focusing on studying, working or reading for leisure, it will be your best choice. 270° rotating lamp head: The light direction can be adjusted as needed, without dead angle lighting, providing a better reading experience. Infinitely adjustable brightness: You can easily adjust the light brightness (3000-6000K) according to personal preferences and ambient light to reduce eye fatigue. Long-lasting battery life: Built-in 1800mAh large-capacity battery, one charge can support 8hrs long-term use (at the brightest condition), convenient for business trips, travel and other occasions. Can be hung around the neck or desktop: The soft silicone tube body can be hung around the neck to free your hands; it can also be placed on the desktop and used as a desk lamp, which is flexible and diverse. Specifications: Model: GH-8 Size: 250x160x30mm Weight: 150g Material: ABS+Silicone Color: Black, White (Optional) Power: <2.5W Battery: 18650 Lithium Battery 1800mAh Battery life: 8 hours at brightest, 80 hours at darkest Charging time: 4 hours Number of lamp beads: 11 Color temperature: 3000-6000K Lighting brightness: 50-150 lumens Waterproof rating: IPX4 Light Color: Warm, White, Warm-White Interface: Micro-USB Package Contents: 1 x LED Light 1 x Charging Cable 1 x User Manual