vavofo clip on book light for bed kids, 7 led reading light with 9-level warm cool white daylight, eye care lamp with power indicator for bookworms (white) vavofo product parameters: <br> model: km-6720 <br> rated current: 1a <br> rated voltage: 5v= <br> rated power: 1w <br> charging time: 3h <br> battery capacity: 1000 mah / 3.7v= <br> duration time: 4h <br> <br> package include: <br> 1* reading light clip on book rechargeable book light (us plug is not included) <br> 1* user manual <br> 1* usb cable <br> <br>