Features [Wearable Hands Free Breast Pump] No need to hold it by hand, freeing your hands for housework, playing with your lovely baby, and more. [3 Modes 9 Levels of Suction Adjustable] Imitating the babys feeding mode, the milk secretion is quicker, and the amount of milk production is larger, giving you efficient milk pumping experience; you can also choose the most comfortable level of suction. [Display Screen Easy Operation] Mode, levels of suction, and remaining battery power is clearly displayed on the screen; sensitive touch-screen buttons, convenient for operation. [Low Noise Built-in Battery] Below 50dB low noise, just like people talking at a very low noise, wont disturb the sleeping baby; 1200mAh rechargeable battery, support type-c charging, standby time up to 240 hours, can work 6 to 10 times after fully charged. [Premium Material Portable Design] High-quality PP, ABS, and silica gel material, friendly to human skin, secure to use; compact and lightweight, easy to carry, can be used at anytime and anywhere. Specifications Color: White Material: PP ABS silica gel Input Voltage: 5V/1A Working Temperature: 5~60℃ Storage Temperature: -20~60℃ Operation/Storage Humidity: 15-90% Operation/Storage Pressure: 90~106Kpa Product Size: 13.5 x 11.8 x 5.6cm/ 5.3 x 4.6 x 2.2inch Product Weight: 400g/ 14.1oz Package Size: 18 x 15 x 12cm/ 7.08 x 5.9 x 4.7inch Package Weight: 465g/ 15.8oz Package List 1 x Breast Pump 2 x Rubber Ring 1 x Valve 1 x Carrying Bag 1 x USB Cable 1 x User Manual (English)