Lghting uniformlyThe light emitted by the LED lampchips is diffused in a ring shape by a circular light guide, and the light is soft and bright, covering the illuminated area uniformly. Flexible designThe lamp body hose can be bent 360 degrees universally, and the angle of fill light can be adjusted in various directions. USB plugPlug and play, convenient and fast. It can be used as hand-held fill light, and can also be connected to power bank, computer, charging head and other equipment.photography lighting. Cooling functionThe heat dissipation holes can protect the lamp cap, and thereby extend the life of the fill light.ring light. Bright lightBright enough to protect your eyes. The fill light has a brightness of up to 4 watts, and the light source can cover 2 sq.m.video light. Specification: Item Type: Fill Light Condition: 100% Brand New Material: ABS Color: White Applicable Models: Universal for Devices with USB Interface Light Source Type: LED Light Source Rated Voltage: DC 5V Rated Power: 4W Number of Lampchips: 20 Pcs Ring Diameter: Approx. 87mm / 3.43in Total Length: Approx. 390mm / 15.35in Package List: 1 x USB Fill Light