Ready to use when plugged in. Includes an adaptor.
LED Clamp Eye-caring Desk Light Cilp Dimmable 10 Level USB Table Study Work Lamp
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BIENSER LED Desk Lamp with Clamp, Swing Arm Desk Lamp, Eye-caring Dimmable Desk Light with 10 Brightness, 3 Lighting Modes, Adjustable Table Lamp for Study, Drawing, Office, Architect, Task, Workbench
