COVVY Women's Heated Jacket In terms of the appearance and comfort of clothes, COVVY have a group of mature and professional clothing design team for special design. And with the support of many comfortable wearing data collected over the years, we are committed to the development and design of clothes that customers can wear comfortably and fashionably, feeling unbound.3 Heating Level, Long Lasting Keeping Warmth Simply one button control the heating temperature - Up to 10 hours for Low Heat (100?/38?) - 5-6 hours for Medium Heat (113?/45?) - 2-3 hours for High Heat (131?/55?)Lightweight & Soft Made of 100% breathable polyester inside, you will feel very comfortable and would be surprised how lightweight it is.Battery Pack 5V/2.1A power bank which is packed with the package. Our jacket is built-in a usb cable to connect with the power supply. Also the battery pack can use to charge your smartphone or other electronic devices.Use Occasion Outdoor: traveling, hiking, camping, fishing, climbing, skiing, shoveling snow, motorcycling, walking and so on. Indoor: office, school, college, home, restaurant, coffee shop, etc.Easy Care Machine and hand washable, safe to use.Note: * Before washing, remove the battery from the pocket and put the plug back in pocket and then zip up. * Machine Wash: - Be sure to use mesh laundary bag - Gentle cycle cold water - Do not iron - Do not bleach - Do not dry clean - Do not twist * Battery, should be storaged away from moisture and fire.Specification: - Color: Black - Input: 5V / 2A - Output: USB 5V / 2.1A - Size: S M L XL(Please check the picture for the size)Packaging Includes: 1 * COVVY Heated Jacket for Women 1 * Battery Pack1 * English Manual