50pcs Safety Rolling Catch BROOCH BAR PINS Badge Fasteners double lock Back Clasp Crafts (32mm)

100% brand new and high quality Powered by laptop or PC through USB. No external power supply is needed. Durable construction, light weight and easy to carry. Light up your notebook anywhere you want, like a trip on plane,in a meeting or in bed. Compatible with any notebooks or desktop PC by plugging into any USB ports. Super bright, and long lasting LEDs. Color: Red, Yellow, Blue,White, Black Material: Plastic and metal Metal Model: LED Lamplight: Multi Cokor Length: 41cm Light: 1000mcd. Interface: USB LEDs: 10 Voltage: USB DC 5V Power: 1W Working temperature: -5-50? Working humidity: 0-70% Color: Silver, black, blue, red, purple, golden (optional) Material: Aluminum Size of lamp: 6.5 * 1.0cm / 2.6 * 0.4(D * H) Length of post: 9.5cm / 3.7in Item weight : 39.0g / 1.4oz Package size: 25.2 * 7.5 * 1.0cm / 9.9 * 3.0 * 0.4in (L * W * H) Package weight: 56.0g / 2.0oz