Ultralight desk lamp, USB rechargeable, with 3 levels of brightness adjustable, is portable for both indoor and outdoor use. Its flexible metal hose and 360° rotatable head provide all-around lighting. Adopting LED light source, no UV radiation, no flicker, no dazzle, no harm to your eyes. Features: Ultralight: adopting flame resistant PC shell, ultralight and portable for both indoor and outdoor use. Soft LED White Light: no UV radiation, no flicker, no dazzle, no harm to your eyes. All-around Lighting: 360° rotatable head, and the flexible metal hose can be twisted into different angles. 3 Levels of Brightness Switchable: touch the key to adjust with ease. USB Rechargeable: built-in 300mAh battery, easy to charge via any USB ports of computer, power bank, etc. Wide Range of Use: school, study, office, baby room, bedroom, camping, etc. Safe to Use: low voltage, environment friendly, anti-slip bottom. Charging State Indicator: built-in a charging indicator, it will show red light when charging. Specifications: Material: PC shell Lamp Color: white Light Color: white Light Source: 14pcs LED beads Rated Voltage & Current: DC5V, 1A Power: 3W External Voltage: AC100-220V 50/60Hz (The adapter is not included) Battery: built-in 1 * 5V 300mAh Lithium Battery Charge Time: 4-6 hours Work Time(after full charge): 1-3 hours(depends on brightness level) Base Size: 12 * 10cm / 4.7 * 3.9in Max. Height: 40cm / 15.7in Lamp Weight: 87g / 3.1oz Package Size: 16 * 12 * 8cm / 6.3 * 4.7 * 3.1in Package Weight: 120g / 4.2oz Package List: 1 * LED Lamp 1 * USB Cable