led book lamp

*. Power: 5W
*. Voltage: 3.7V
*. luminance: 350 LM
*. Color: temprature: 3000K-6000K
*. Time of endurance: 2-3 hours
*. USB charging
*. With N52 strong magnet
*. Charging time:1-2 hours
*. Charging Voltage: 5V
*. Battery capacity: 600 mAh