Features:Mom's best choice, smoothly sucked without trouble, safe, comfortable and healthy.PP material raw materials, do not contain harmful substances.High temperature resistant, easy to clean, more safer.Multiple power supply mode, support computer, charging treasure, adapter power supply.Low power, little vibration, low noise, smooth running.Small and light, easy to store and carry while going out.How to use:Press the power switch then enter the 90 seconds secrete mode, the system will increase sucking strength gradually until the acquiescent strength. Mothers can press plus sign and minus sign to adjust the suitable strength.Press the mode botton and the mode can be changed, red light on while massage mode, green light on while milk sucking mode.There are 18 modes of milk sucking, when long press plus sign or minus sign, red light or green light long flickers when the setting reaches the highest or the lowest gears.Item Type: Breast Pumps Material: BPA Free Shape/Pattern: Solid Package weight: 0.812 kg Product size (L x W x H): 10.00 x 8.00 x 18.00 cm / 3.94 x 3.15 x 7.09 inches Package size (L x W x H): 19.00 x 11.00 x 20.00 cm / 7.48 x 4.33 x 7.87 inches Package Content: 2 x Breast Pump, 2 x Milk Bottle, 1 x USB Power Cord, 1 x Host, 2 x Long Straw, 2 x Cold Heat Pad, 2 x Nipple, 1 x Sheet of Sticker