Green Materials: 12 pcs usb lamp are made of good quality silicone, plastic and metal; No harmful items included.Soft and flexible silicone body, avoid direct shine of LED light, more effective protection of the eyelid. Easy Used:Flexible LED lamp; The lampshade is flexible and can be rotated 360 degrees and tilted. Adjustable light direction Easy to Carry:Ultra bright usb reading lamp with low power consumption and easy to carry. Compact and lightweight. Unique foldable design, also has light weight. Flexible, flexible and small - Fits easily into a pocket. Power supply: Powered by various USB devices (5V), e.g. USB ports for laptops, smartphone chargers and powerbank Widely used: Reading light can be used anywhere, powered by all devices with USB port. Led USB can be used both on the desk and the bedside table, or for going out. Very practical.Can be regarded as computer keyboard lamp, outdoor camping, night light, emergency lamp, travel lamp, etc. Size: 16.8 * 18.5 * 9 (mm) Color: random color Delivered quantity: 12 pieces