Features: Silicone Material: Made of soft silicone material this lamp can be adjusted to use as a neck hanging lamp or a desk lamp. Adjustable Brightness: The brightness and light source of this LED lamp can be adjusted and you can use it according to different needs. Rotating Lamp Head: The lamp head of this LED light can rotate 270 so the light direction can be adjusted at will. Small and Light:This lamp is ergonomically designed small and light and very comfortable to wear on the neck. Long Endurance Time: This lamp can be used for 10 hours after charging which is convenient for you to read or work at night. Specifications: Material: ABS Silicone Electronic Components Size: 250*160*30mm Weight: 150g Maximum Power: 2.5W Battery Capacity: 1800mah Endurance Time: 10h Power Supply: USB Charging Package Included:1*Neck Hanging LED Lamp Notes: Please note that due to the influence of light and screen slight chromatic aberration is acceptable. Please allow 1-3cm error due to manual measurement. includes: 1*Neck Hanging LED Lamp "