Specification: Condition: 100% Brand New Color: Black Type: (optional) 1# Lamp +USB Cable 2# Lamp +USB Cable + Adapter Material: Plastic & Metal Light Source: 10 LED Battery Type: 3 x AAA Batteries (not included) Input: AC 110-220V LED Lamp Width: Approx. 14cm / 5.5inch Gooseneck Length: Approx. 28cm/ 11.0inch Clip Size: Approx. 9 * 6cm/ 3.5 * 2.4inch Product Weight: Approx. 190~215g Type 1# Package Included: 1 x Lamp 1 x USB Cable Type 2# Package Included: 1 x Lamp 1 x USB Cable 1 x Adapter 【Bright Music Stand Light】The clip-on lamps feature high brightness with a large area of illumination, spreading light evenly on the your music sheets. 【Adjustable】Coming with free and adjustable arm, this clamp light can be bent randomly, and free to choose the area to be illuminated. 【Practical & Convenient】This kind of LED desk lamp with clamp can not only stand on desk with the base as normal desk lamp, but also available to clip almost anywhere and any angle with its anti-skid clip. 【Portable】This eye-caring table lamps are designed to be portable and lightweight, which is easy to carry and can be powered. You can take it with you while traveling. 【Fit For】The LED desk lamp is widely used in daily life. It is suitable for music stands, pianos, orchestra pits, desks, tables, dark clubs, etc.