Feature: 1. Flexible Angle Adjustment: Simple appearance design, the universal hose can be adjusted arbitrarily to meet the needs of 360° lighting angle. 2. Two Power Supply Modes: Battery/USB power supply (battery is not included, USB cable is provided), the battery power supply function provides convenience for you to be outdoors. 3. 3 Lighting Modes: Low brightness ‑ medium brightness ‑ high brightness 3‑level lighting brightness, easy one‑button touch adjustment, accompany you to sleep, study, work, emergency lighting, etc. 4. Strong Compatibility: Energy‑saving and environmentally friendly, the charging port is compatible with notebook computers, mobile power supplies and other equipment. 5. Wide Application: 20000 hours service life, light weight, small size, easy to carry, suitable for college dorm, office, bedroom, living room, kids room, bathroom, etc. Specification: Item Type: LED desk lampMaterial: ABS Base Length: Approx. 13cm/5.12in Base Width: Approx. 10cm/3.94in Stretch Height: Approx. 38cm/14.96in Power Supply Mode: 3xAA batteries (not included) / USB direct plug light (included) Light Source: White light Gear: Low light - medium light - high light Switch Mode: Touch Life Span: 20000HWeight: Approx. 192g/6.77oz . Package List: 1 x Light1 x Manual1 x Tape1 x USB Cable