A. Type-C interface. When fully charged, it can last for approximately 15 hours at the lowest brightness and around 3 hours at the highest brightness. B. 1/4 interface, which supports expansion and is suitable for cameras/stands. C. LED fill light, suitable for mobile phones, tablets, laptops, and cameras. D. It has a built - in 2200mAh battery, which is durable and convenient to carry when traveling. E. Fill light can contribute to improving photo quality. Type: LED fill light Power: 4 watts Main application scenarios: Live broadcast fill light, video conference fill light, photography fill light, computer atmosphere fill light, food fill light, etc. Brightness: 660 lux per square meter Usage method: Handheld Adjustment method: 10 levels of adjustment Color: Black Material: ABS Size: 10 x 7 x 1.7 cm Packing content: 1. 1 fill light 2. 1 storage bag 3. 1 Type - C charging cable 4. 1 1/4 - inch hot shoe 5. 1 clip 6. 1 1/4 - inch nut adapter Only the above packing contents are included. Note: Light reflection and different displays may cause the color of the items in the picture to be slightly different from the actual object. A measurement error of ±1 - 3 cm is allowed.