• Product material: synthetic leather, sheet, lining • 3 temperature adjustment levels • Constant and continuous heating • Power consumption: 5 V2 A 50 Hz • Weight: 0.1 kg • Volume: 11.5 x 3 x 17 cm • 3 color lights to remind the temperature • Switch function: yellow, blue, red, and green light • Includes: bottle warmer, data cable, manual • Small and easy to carry • Keeps milk warm at a constant temperature • Compatible with car USB and mobile power supply • Adjustable closure for bottles of 55-80 mm • Four-layer material for insulation • Notes: color differences and size margin of error