Product Power supply: USB DC 5VLight source: 10 LEDTotal length: 45cmLight stick length: 14.8 cm Flexible Neck Length: 27cmMaterial: Aluminum AlloyColor: BlackPackage Content: 1 * USB Light1. Material: Aluminum Alloy, Plastic. Flexible metal bellows can be rotated in all directions, bent freely, adjust the angle, no additional fixing tools are needed, flexible and convenient.2. Connection: USB 5V/1W. Works great with your laptop, power bank or charger.3. Easy to carry Flexible, bendable body. This compact size is portable enough to use in various occasions such as reading, writing, working and night light. Lamp guard design provides eye protection. This prevents direct LED lighting.4. Touch Switch Design: The on/off mechanism is activated by touching a sensor at the end of the stick, as well as the dimmer function to adjust the brightness accordingly. 5. Usage: 1. Brightness adjustment: Don't release your finger while holding down the switch button. When the light is very bright, it will be dimmed. If the light is very dark, it will also be brightened. 2. Turn on or off: Tap your finger and then lift your finger. (Fingers should be kept dry, no water or sweat).6.Exceptional Durability The USB flashlight has 10 LED -Lamps that consume just 1 watt of electricity, ensuring efficient use of the 35,000 hour lifespan no matter what.