LED Portable Neck Reading USB Rechargeable Student Learning Eye Care Desk Lamp $ 12.12 Product information: Material: ABS+silica gel Shade material: plastic Switch mode: button type Color: black, white Style: modern and simple Voltage:36V Power supply mode: built-in lithium battery Battery capacity: 1800mAh Product size: 250 * 160 * 30mm Packing list: Neck lamp x1+USB x1