US local shippment【Advanced Heat Tech】YISHIQI neck heating scarf is equipped with graphene heating chip to release far infrared thermal energy and warmth around your neck,refusing the cold。【3 Steps to Use】Step 1: Connect the pộwệr bẫnk to the scarf usb port; Step 2: Turn on the pộwệr bẫnk; Step 3: Long press the switch 1.5 seconds to turn on/off , Short press to change levels. NOTE: The heated scarf is featured with 45 mins auto shut off for overheat protection.【3 Heating Levels】The electric scarf is featured with 3 heating temperature, respectively 140°F/60°C(Red), 122°F/50°C(Blue), 104°F/40°C(Green). NOTE: The neck scarf starts on red (140°F) and turns to white (122°F ) after 5 mins.【Use it Anywhere with pộwệr bẫnk Included】The usb neck scarf is powered by a 5000mAh pộwệr bẫnk. It is suitable for outdoor activities like commuting, hiking, and traveling without plug restriction compared to other scarf. One full charge lasts up to 2.5-5 hours use. Red mode stay warm for 2.5h, Blue mode for 4h and Green for 5h. The pộwệr bẫnk can also get your mobile phone charged in case you need.【Soft Materials & Trendy Gift Choice】The heated scarf is made of high quality fabric and can be used for machine washing. Before washing, you will need to wrap the USB cord with the cap to prevent water ingress. The trendy design make it suitable for both men and women to fit your coats. This is a good choice for a thoughtful Halloween Christmas gift for your friends and family