1*Milk Bottle Warmer 1*USB Cable 1*User Manual Detailed description: Product Name: USB Bottle Warmer Material: Cloth+Electronic Component Color: Black Power: 10W Voltage: 5V Bottle Diameter: Less Than 7cm Unfolding Size: 27.5*12.5cm(L*W*H) Size: 13.5x8x7.2cm(L*W*H) Weight: 0.15kg Note: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 2. Please allow slight dimension difference due to different manual measurement. Thank you for your understanding. 3. The heating time is related to the initial temperature and capacity of the milk/water. 4. Do not pour liquid into the bag. 5. When there is nothing in the bottle, please unplug the power supply in time to prevent damage to the heater. Intelligent Constant Temperature: This milk bottle heating bag is made of durable cloth materials, safe and insulating. Baby can drink milk while warming. 40-45°C circulating constant temperature heating, effective maintenance temperature of nutritious milk. An infant feeding bottle heater can maintain a warm temperature and prevent it from getting cold. USB Powered: The baby milk heating keeper comes with a USB cable, just connect the cable to any power bank, vehicle USB, laptop interface, charging adapters, etc., can power the baby bottle heater. Perfect solution for parents to conveniently, safely and warm baby bottles easily while in the car traveling so that your baby can drink warm milk both at home, outdoors, or on the go. Adjustable Heating Temperature: The milk bottle heater comes with an electronic screen temperature display, pressing the "SET" key and then pressing the plus and minus keys to adjust to the desired temperature. And the adjustable temperature range is between 30-60 degrees. Lightweight and Portable: Small and compact design is easy to carry and storage. The baby brew bottle heater has a hand strap design, so you can hang milk warmer on your diaper bag suitcase belt or baby stroller armrest. Wide Application: The portable USB baby bottle warmer comes with a sticker strap design which can be adjusted in size to fit a diameter less than 7cm in baby bottles. There is an elastic strap under the baby milk heater, to help secure the bottle in place to ensure that it does to fall or slip out during travel for added peace of mind.