**The difference between battery, USB, plug and remote control** Battery: Use 2AA or 3AA batteries, put the batteries into the battery box, the cotton ball will light up. USB: Applicable to devices with USB socket, such as: laptop USB socket, USB socket, link to powered USB socket, the daisy chain will light up; Plug:The plug must be plugged into a live AC outlet for the light to turn on. Control (Remote Control): For the model with remote control, you need to put the batteries in the battery box. The remote control can turn the ball light on and off at any time.
Ball size: diameter 6cm
Working voltage: 3*AA battery or AC 220V Plug type:EU Plug Voltage:3V Power supply :Dry battery Raincoat :No Power supply:Battery/USB/EU Plug Quantity of LEDs:10LEDs /20LEDs/30LEDs/40LEDs/50LEDs Line length:1.5M/3M/4.5M/6M/7.5M