Ieasycan Fashion Portable Flexible Office Work Study Clip Table Lamp USB Rechargeable LED Desk Lamp Can be connected with computer USB or mobile phone adapter Eye protection, no radiation, energy-saving, no flash frequency Small enough to take anywhere, it fits into your case as easily as it fits your lifestyle Flexible stainless steel neck lets you position it any way you like If for some reason you're not satisfied with our service or product quality, please contact us within 3 days after you get the package, you can return the products to us in 60 days and we will refund your money after we get the package!(Shipping cost is NOT refundable and you should responsible for the return shipping)