1. Portable Cordless desk lamp reading light rechargeble battery*2pcs for area without power socket, large light board 40pcs led : This portable table lamp has large light board (40pcs LED) for reading book study light, home& office work light, eye caring reading lamp. 2.Two Ways Power: Also use lamp powered by usb cable plug in charger or Cordless Lamp Powered Rechargeable Batteries*2pcsThis desk lamp can be used for anywhere without power socket with rechargeable battery or powered with usb charging cable plug in charger.(Charger not included) 3. Touch Sensor control 3 light modes and stepless dimming desk lamp & Memory function: Cool White,Warm Light, Daylight, more wonderful memory function of last brightness set of each light mode, you do not need to set brightness each time.are led desk table reading book lamp for kids study: it uses 40 pcs eye caring LED, flicker-free,no dizzy light and filter blue light, great eye caring light for reading book, study and office working. 4.Eye care led desk table reading book lamp for kids study: it uses 40 pcs eye caring LED, flicker-free,no dizzy light and filter blue light, great eye caring light for reading book, study and office working. 5.Portable rechargeable desk table reading light & 1 year warranty The light can stand on bed,desk,table,bedroom nightstand headboard. ,and cordless , no need to connect usb cable for power supply.Cordless portable book light for reading in bed.