Features:1.Three-tone light sourceOur simple desk lamp has a dimming function. Yellow light, warm white light or natural white light can be selected, providing extra brightness, comfortable reading, and avoiding the dazzling light damage when the light is turned on at night, and the lower brightness can also be used as a night light to help you fall asleep2.Long battery life of 13 hoursBuilt-in 1800mah high capacity lithium battery, it takes about 3.5 hours to fully charge our desk lamp, and it can be used for 13 hours when fully charged.3.Energy savingLED lights do not heat up. Reduce electricity bills by 75% and won& 39;t overheat like other traditional lights. Keep your workspace cool and comfortable.Name: Table Lamp Product size: 8.5x21CMPackage size: 16x16x22CM[Product gross weight]: 480GColor temperature: (white light, warm light, natural light)[Light source]: LEDBattery: 1800mAh[List]: Light + packaging + USB cablePacking list:1 x Table Lamp 1 x USB cable"