Lots of students might need to do their homework or exercise for a long time at night because of the heavy competition. As a result, they may be short-sighted at a young age. Eye-care LED lamp is suitable for the study, living room, dining room and office. Features -Color: Blue -Material: ABS -Size: 17.50X4.00X2.50cm/6.88X1.57X0.98in -Adopt ABS lampshade, light transmittance, waterproof, and high-temperature resistant. It is practical to use. -With a hook, it can be hung up to use conveniently. You can suspend it everywhere you like. -A strong magnetic absorption can be firmly adsorbed, even if the violent shaking will not be dropped. -It can be used at any time when the power is off at night or in the dark. USB charging is very convenient. -Share with your friends and family, as it is a wonderful housewarming gift, which is very practical to use. Specification -Battery Capacity: 1200 mAh -Power: 30W -Input Voltage: 5V -Charging Time: 4-6h -Use time: 6-20h -Light Color: White -Protection level: Ip20 Package list: 1 Lamp 1 x USB Cable 2 x Strong Magnets