GREAT QUALITY Made of premium rubber, durable and skin-friendly in use. Flexible arms, easy to choose the best angle for your various needs in different environment. Adjustable brightness: spot only; flood light only; spot light and flood light. Simple to create the perfect luminosity for yourself. Rechargeable, the built-in lithium battery, about 3 hours charging for 6 hours working time, enjoy more durable and more stable light. Wear it around your neck to free your hands. Ideal for reading, night jogging and mending. Features: -Material: Rubber and built-in lithium battery LED-beads: 4 -3 Level Brightness: spot only; flood light only; sopt light & harsh light -Charging time: about 3 hours time -Working: about 6 hours -Luminous Flux: 36LM -Shine way: straight shine -Size: 10.2''(L)*5.5''(W)*1.4''(H) -Color: Black and dark blue