Features ♥Brightness Adjustable In 5 Levels: 3 Color Temperature Modes, Yellow 3000k, Warm White 4000k And Cool White 6000k. Each Head Has An Independent Switch, Which Can Adjust 5 Levels of Brightness. ♥Durable Usb Charging: Fixed Charging Port Won'T Fall Off, Included Premium Rechargeable 1000mah Battery, Can Provide Up to 60 Hours of Wireless Reading Time (Minimum Brightness). ♥Eye Protection And Ergonomic Design: Unique Lens Protection, More Uniform Light. Flicker-Free, Blue Light Filter Design. Stand Up for Your Vision. The Ergonomic Design of The Scarf Hangs on A Curved Neck, And The Armrests Are Soft And Adjustable, Allowing You to Enjoy The Moment of Wearing Comfortably. ♥Do Not Disturb Others: Special Narrow Beam Angle (90°) Design. The Light Is Bright Enough for Your Area Yet Dim Enough Not to Disturb Your Sleeping Partner. ♥Applicable Scenarios: The Reading Light Is Light in Weight And Easy to Carry, Suitable for Indoor And Outdoor Use in Bedrooms, Dormitories, Schools, Etc. Use It for Reading, Repairing, Jogging at Night, Knitting, And More. Feature: 1. IDEAL GIFT: Cool light is an ideal gift for men and women in various scenes, including birthdays, Mother's Day, Father's Day, Thanksgiving, Christmas, and even as Christmas gifts. Specification: Item Type: Neck Light Material: ABS, Silicone Number of Lamp Beads: 2 x 3030 dual color lamp beads Charging Time: 2.5H Working Hours: 12 to 60h Light Source Color: White light, warm light, warm white light Battery: 1 x 1000mAh rechargeable battery (shipped with built in battery) Package List: 1 x Light  1 x USB Cable  Package List 1 x Light 1 x USB Cable