Bottle Pump USB Charging Automatic Electric Water Dispenser Pump Portable Drinking Water One Click Auto Switch Drinking Dispense|Hand Press Water Pumps Water Bottle Pump - USB Charging Automatic Drinking Water Pump, Portable Electric Water Dispenser, Electric Water Bottle Switch, Used for Home, Office, Camping & Outdoor Feature: One button gives water and one button closes. Details: USB charging, blue button, 304 stainless steel tube. The bass comes out of the water, quiet and undisturbed. Exquisite appearance and strong practicality. Specification: Power: 4W/5V Packing: Color box Size: 13.8*8.3*8.8cm/5.43*3.14*3.46in Gross weight: 0.28kg Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you 2. Please allow 1-2cm measuring deviation due to manual measurement.