[SUPER BRIGHTNESS & EYE CARING] Equipped with 4 flicker-free and blue light-free LEDs, provides you enough brightness to do book reading or knitting and prevents from eye strain. Each head owns its separate switch for 3 brightness levels dimmable. [Partner Friendly] Special head design,illuminate the smallest area with bright enough light to protect privacy without disturbing your sound asleep partner at night. [Rechargeable & Long-Lasting] Enjoy wireless reading time up to 40 HOURS without charge. (Varies with brightness and usage). Standard micro-USB CABLE included. No headache if you don't have a suitable cable. [Comfortable to Wear ] Ultra-Soft Silicone maximizes wearing comfort, even for several hours. Ergonomic neck around design, fit your neck line. The touching part equipped with a soft pad. Perfectly comfortable for reading in bed, knitting, camping, or repairing etc.