Specifications: The LED light with 5 levels of adjustable brightness, easy to use. Lightweight ABS material reduces body weight and improves wearing comfort. Waterproof design, no pressure for daily waterproofing(not suitable for bath, swim, diving, etc). Item Name: Watch Material: Silicone + ABS Battery: Built-in Rechargeable Battery Features: 3-in-1 Design, Bright LED, Compass, Comfortable Size: 6cm x 6cm x 4cm/2.36" x 2.36" x 1.57" (Approx.) Watch Band Length: 27cm/10.63" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Watch 1 x USB Cable