USB Bottle Warmer With Fast Charging For Tea Diameter 50-70 Mm Newborn : Easy and safe This bottle warmer and warmer heats up quickly and evenly, can stretch to fit most baby 's feeding bottles Also can be a warming belt, hand warmers, milk warmer 24 hours constant temperature heating, plug and play, 50-70mm diameter bottle type can be universal Type-c interface, fast charging, long battery life No cold and hot, no temperature measurement, drinking milk while keeping warm, no need to heat, heats up quickly and evenly, up to 45 degrees Celsius in 15 Can be used to heat a variety of materials, including mineral bottle, glass bottle, water cup, milk bottle Supports power bank, USB , car charging, and evenly wraps the baby bottle, making the insulation tighter It can be unfolded and folded to save space convenient for home storage unlimited, more convenient travel while it can be conveniently placed in a backpack when traveling outdoors, which is convenient for outdoor use Specification: Rated Voltage: 12V Rated Power: 24W Rated frequency: Size: 31 x 11.5cm/12.2 x 4.5inch Material: silicone; includes : 1 piece leather heating case 1 charging cable