Features: USB C power, support multiple charging modes, easy to operate. Portable bottle insulation cover with digital display and 6 temperature setting to meet your different needs. High quality PU leather, comfortable to use, good insulation effect, safe and constant temperature. Build in large capacity battery, stable performances, precise temperature control experience. Specially designed for parents who need warm milk for their baby, suitable for parents who are at home, traveling, or outdoors. Specifications: Charging time: 4-5 hours Available time: about 2-3 hours Battery capacity: 2500mAhx2 Power: 18W, voltages: 7.4V Component: PU leather, electronic component Size: approx. 231x68x82mm/9.09x2.67x3.22inch Constant temperature is within the set degree (temperature difference is 2 degrees), suitable for bottle diameter ≤6.5cm, mainly for insulation Gear level: 37℃, 40℃, 42℃, 45℃, 50℃, 55℃ Package Includes: 1 Piece Portable Baby Bottle Warmer 1 Piece Type C Cable 1 Piece User Manual note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.