USB rechargeable, for daily use, not need to change batteries 2 kinds of switches button to control top light and face light, the two lights can be turned on togther The light angles can be adjustable, the light head tube can be twisted to any angles The face light is a night light First press, the light color is changed slowly to add romance atmospheres Second press, the light color changes to warm color The top light is a wide ranges light, the light is soft, not dazzling, suitable for reading