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.How to Use:Put in the battery (not included) for power supply, or USB direct plug‑in power supply, both ways can be used for LED lighting.Specification:Item Type: LED desk lampMaterial: ABSBase Length: Approx. 13cm/5.12inBase Width: Approx. 10cm/3.94inStretch Height: Approx. 38cm/14.96inPower Supply Mode: 3xAA batteries (not included) / USB direct plug light (included)Light Source: White lightGear: Low light - medium light - high light Switch Mode: TouchLife Span: 20000HWeight: Approx. 192g/6.77oz Package List:1 x Light1 x Manual1 x Tape1 x USB Cable