Innoo Tech Book Light, Bed Reading Light Led Night Light Rechargednd Version Clip on Music Stand Light Lamp 8 Led Bulbs with 2 Modes Eye Care for Performing Built-in 1000mAh high-capacity lithium battery  Theres no need to buy or insert a battery. After a full charge, the battery will power the light for around 10 hours meaning youll have no problems on trips or during performances. The battery can be recharged more than 500 times and the average lifespan is 2-3 years. The battery can be fully recharged in only 1.5 hours  Charge the light by connecting it to the power charger provided or by connecting it to your computers USB port or other suitable DC5V charger. The battery features a safety function that stops it becoming overcharged 8 SMD LEDs Softest Light  8 SMD LEDs make the light softer. No flickers, a long lifespan, warm lighting helps reduce eye strain,perfect for reading Flexible Switches  Each arm features its own independent switch. There are two brightness modes that can be selected by pushing the small round button on the back. Small & Convenient  The base of the light can be placed directly on a desktop and the arms can be adjusted to save space. Perfect for those on-the-go such as students, travelers, drivers etc.