1、Adopts LED as light source, durable, eco-friendly, low power consumption and energy saving 2、Flexible gooseneck design, you can arbitrarily adjust the lighting angle according to your need 3、Multi-use. Stable base can be used to stand on its own or clip to a book, shelf, cupboard, pianos, or computer 4、Easy to use. Fix the lamp with a clip and plug the USB interface to the computer USB port or USB charger, it can work 5、Portable and light weight. Convenient to carry with you and great for home, dormitory and office use Description: Our lights adopt LED as light source, durable, eco-friendly, low power consumption and energy saving. Flexible gooseneck design, you can arbitrarily adjust the lighting angle according to your need. Multi-use. Stable base can be used to stand on its own or clip to a book, shelf, cupboard, pianos, or computer. Easy to use. Fix the lamp with a clip and plug the USB interface to the computer USB port or USB charger, it can work. Portable and light weight. Convenient to carry with you and great for home, dormitory and office use.  Features: Adopts LED as light source, durable, eco-friendly, low power consumption and energy saving. Flexible gooseneck design, you can arbitrarily adjust the lighting angle according to your need. Multi-use. Stable base can be used to stand on its own or clip to a book, shelf, cupboard, pianos, or computer. Easy to use. Fix the lamp with a clip and plug the USB interface to the computer USB port or USB charger, it can work. Portable and light weight. Convenient to carry with you and great for home, dormitory and office use. Specification: Condition: 100% Brand New Material:   Lamp Shade : Iron   Lamp Holder: Plastic Product Color: Black, Silver(optional) Color Temperature: Cold White 6000K-6500K Power: 1W Input Voltage: DC5V Switch Type: Button Gooseneck Length: Approx. 32cm / 12.6inch Cable Length: Approx. 140cm / 55.1inch Product Weight: Approx. 165g  Package Included: 1 * Clip Light