1、1. Multifunctional warm vest: skiing, walking the dog, daily office. When you finish fishing, mountain biking or winter camping, you can easily take it outdoors. The heating vest helps to improve blood circulation, promote metabolism, and reduce muscle stiffness. 2、2. Good cold resistance: The 8-zone heating vest is made of polyester, which is durable on the outside, making the vest windproof, and filled with down, keeping the vest comfortable and soft. 3、3. Fast and long-lasting warmth: using the latest carbon fiber heating wire design, the USB heating element heater is powered on for 3-5 seconds to slowly heat up, just connect the power supply and turn on the button. 4、4. The perfect gift choice: This vest is very warm and comfortable, very light and thin. Warm vests are the best gifts for girlfriends, wives, and lovers in winter. 5、5. Three-level temperature control: This heating vest is powered by any 5V/2A mobile power supply, and the USB plug is compatible with most mobile power supplies on the market (note: the product does not contain batteries). Product name: USB heating vest Material: down cotton Heating: 8 zone heating, as shown in the figure Temperature: Three-level intelligent temperature control, long press for 5 seconds to start; high 60℃, medium 50℃, low 45℃. Features: anti-wrinkle and abrasion resistance, machine washable and hand washable Power supply: 5V/2A mobile power supply (not included) Size: see size chart 1X USB Heating Vest