Product parameter Product material: ABS+electronic components+silicone Product power: 1.5W Battery capacity: 1200mAh Battery model: 18650 lithium battery Working voltage: 5V Working current: 1000MA Charging voltage: DC5V Charging time: about 3hrs Use time: about 10hrs with warm white light/about 9hrs with colorful light Charging indicator: when charging, the red light flashes/full charge, the red light is on Product specifications Product size: 10.611.213.6CM Packing size: 141114CM Product weight: 0.33KG (gross weight) Instructions for use 1. Before using this product for the first time, please fully charge it. (It can be charged with an equal-voltage power bank) 2. Power switch description: press the switch, the light is on (the color is warm white); press the switch again, the light is off. 3. Tap the product to adjust the light change: when the power switch is turned on and the light is warm white, the first tap, the light will fade in three seconds; the second tap, the light color stays at the color when tapping; the third tap , The light goes out; the fourth tap, warm white light, the cycle repeats. 4. When the light is extinguished by tapping, the product is still working and quiescent current is generated. If you do not use it for a long time, please use the switch to turn off the light to reduce battery consumption. 5. After fully charged, please cut off the power in time.