1.3.7 V6000mAh batteries 2. Large area total fever 3. Low grade three adjustable high school 4. Electricity storage or direct current power supply mode 5. Submerged washing 6. Battery parameters: 7.4/3000 mah battery Power: 7W material fabrics: SBR 7. Product size: 67.2*32.4 (band 43cm) Packing size: 35.5*23.5*6.5cm Net weight: 170g/(without battery) Battery size: 4.5*7*2cm Battery weight: 115g 8. Use of data: Heat: 65 degrees for 4 hours/ 55 degrees for 5 hours /45 degrees for 6 hours