MANTUOLE Heated Sleeping Bag Liner Specification: 1. Shell fabric: 100% 210TC Waterproof Polyester 2. Lining: 100% Flannel 3. Fill:100% hollow fiber polyester 4. Dimension: 77" x 24" (198 x 61 cm) 5. Weight: 2lbs (0.95KGs) 6. Packed size: 13"x8.5"x8.5" (33x22x22 cm) 7. Heated pads:5pcs. shoulderX1pc, backX2pcs, hipX1pc, feetX1pc 8. Working time: If using 20000mah power bank or jump starter. The heated sleeping bag can operate 6-14hours depends on different temperature setting. User Guide: 1. Only use 5V/2A USB as power supply, if input power is lower than 5V/2A. The sleeping bag liner may not be turned on or working correctly. 2. If using power bank or smaller jump starter, you can plug the USB port in power bank or jump starter and then put it into the inner pocket. If you want to use the cellphone charger, just use the USB extension cable(included) to connect the heated sleeping bag with power supply. 3. Short click button to switch the temperature setting, High(Red)-Medium(Blue)-Low(Green). 4. Long press power button 3 secs to turn off the heating sleeping bag 5.Disconnect the USB plug when not using it. 6. Stop using the heating function if the sleeping bag is ripped open. 7. Sleeping bag is washable, recommend hand washed. Please refer to washing label. Packing includes: 1 x Heated sleeping bag Liner 1 x Extension USB cable 1 x Manual