Feature: 1. Intelligent Temperature Control: With smart temperature control technology and constant temperature insulation, users can easily control the performance of the insulated mug to ensure that the drink always maintains the best taste and temperature. 2. Cordless: Cordless heating and milk mixing function makes brewing milk powder more convenient and fast, heating milk powder anytime and anywhere when drinking milk, so that parents can take care of their babies with less effort. 3. USB Charging: USB charging design, no need to worry about battery depletion or replacement trouble, easy to charge, not only saves the users time and energy, but also ensures that the cup continues to work stably. 4. Portable: Suitable for a variety of different places, whether in the car, outdoor, office work or relaxing at home. Multifunctional design makes this insulated mug a handy assistant in your life, meeting your needs for a variety of different places. 5. Versatile: Moderate capacity to meet your daily drinking needs, lightweight and portable, whether placed in the bag or fixed in the car will not occupy too much space, easy to carry, enjoy a convenient drinking experience. Specification: Item Type: Cordless Bottle Water Warmer Material: Plastic Capacity: 350ml Size: Approx. 23 x 7cm / 9.06 x 2.76in Battery Type: Li Battery 5200mah (built in). Package List: 1 x Cordless Bottle Water Warmer 1 x Instruction Manual 1 x USB Cable