Features - Color: Black. - Material: ABS. - Size: 12.5 x 6.5 x 1.5 cm. - Power: 20W. - Running time: 4-6 hours. - Charging time: 4-hours. - Super bright LED bulbs to shine stronger, brighter, and longer than you ever thought possible. - 3 lighting mode, press the switch to change the light for seconds. - to focus and defocus, very convenient. - Reliable and fit firmly with a nylon strip for maximum comfort without neck fatigue. - Anti-drop and anti-stab for long lasting security during any of your outdoor activities to match your outfits for all time appearance with balanced lightweight. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand