Rechargeable and Touchable LED Lamp with Clamp, 5 Adjustable Colours and Intensities, for Reading Light/Bedside Lamp/Desk Lamp/Table Lamp \n\nInstructions for Use \n-5 Adjustable intensity:Click successively on the buttons to obtain a brightness of 20%, 40%, 60%, 80% and 100%. The sixth touch will turn off the light. \n-5 Adjustable colours:Click successively on the M button to obtain warm white to cool light\n-About the Recharge:It is recommended to use a constant voltage driver 5V/1A. It can be fully charged after about 4 hours of charging. \n-Time by Using different brightness:25-40 hours (30%) to 4-5 hours (100%). \n\nAdvantages: \n-1, LED Touch Lamp \n-2, USB port for charging \n-3, 5 adjustable colors and 5 adjustable intensities \n-4, the clip can be opened 3-5cm, easy to fix in the desired position \n-5, with silicone arm, 360 degree adjustable \n-6, with battery protection switch \n\nAttention: \n-1, Please charge in time when the lighting is dim. \n-2, If you don't use the s