[Ultra-High Brightness and Eye protection] Comes with flicker-free and blue-light free leds that give you enough brightness to read books or knit and prevent eye strain. Each head has a separate switch to adjust the level 3 brightness. Free wireless playback up to 40 hours. (varies by brightness and use). Includes standard micro USB CUBLE. If you don't have the right cable, don't worry. ^ [Comfortable to wear] Ultra-soft silicone for maximum comfort, even when worn for hours. An ergonomic neck circumference designed to fit your neck line. The touch section comes with a soft cushion. Perfect for reading, knitting, camping or repairing in bed. ^ Easy to fold and carry - you can fold the reading lamp into a table lamp that can be placed on the table. Or simply drape a reading light around your neck. Protect your neck with a non-slip soft design. Perfect for reading, running, repairing, camping and more in bed. Capacity: 301-400mlPacking content: 1* telescopic water cup blue (including straw)