✅ SAFETY:Food grade silicone hose. BPA free ,no toxic ,no smell, cold resistant, high temperature resistance. Using the best insulation / high density ABS plastic shell ✅ EASY to USE: Easy to install and use it.One key switch operation ✅ USEFUL: Fits most water bottles and for 5 gallon water bottle ✅ EASY to CHARGE: Charging by USB cable, 2-3 hours is enough ✅ Built-in rechargeable battery, can used for 60 days once fully charged. Brand No Brand SKU 100139009_NP-1020390016