0.5W 40lm USB Touch Control 4-LED Warm White Light Small Lamp - Silver + Black
Convenient touch control USB light; Simple to use just plug into DC 5V output USB port directly; With key hole easy to carry; Convenient to use; Low power dissipation; Output current: Max. 40mA; Conversion efficiency: 96% (Max.); Voltage: DC 3.5~5V