Size: 6.613cm Color: black/white Charging time: 3 hours Material: ABS+ Electronic component Battery: 1200mA Power supply method USB Rated voltage: 5 (V) Rated power: 4 (W) Rated frequency: 5 (Hz) Package include: 1 pump Features: Safety and health: The pump is made with premium quality, outlet pipe is made with food degree 304 stainless steel, the soft water absorb tube is made of good degree silicone,no toxic, safe for human body to use daily. Also the soft tube could be removed to wash easily. The water giving pipe could be rotate in 360 degree, which allows you to adjust to the direction that convenient for your to take water. Fixed volume: Upgrade design, 600ml volume key on the pump for getting 600ml water at one time simply. High compatibility: This electric water dispenser is suitable for a large variety of bottled drinking water, being compatible with 4.5L/7.5L/10L/11.3L/18.9L water bottle. Quiet working: Works quietly, provides you quiet resting environment even you use in bed room. USB rechargeable water dispenser: The built-in rechargeable battery allows you to charge it with USB cable, do not need to connect with the power cable to use.It will works for 8-10 barrels of water after fully charged. Perfect to use in living room, bedroom, gym, office, kitchen where you need water and saving trouble from lifting the heavy barrel water. Size: 6.613cm Color: black/white Charging time: 3 hours Material: ABS+ Electronic component Battery: 1200mA Power supply method USB Rated voltage: 5 (V) Rated power: 4 (W) Rated frequency: 5 (Hz) Package include: 1 pump