ITEM NAME:10000MAh USB Rechargeable Hand Warmer with Sound Recorder Quick Charge Up T L1Z8 10000MAh USB Rechargeable Hand Warmer with Sound Recorder Quick Charge Up T L1Z8 1.If you forget to unplug or worry about overcharging, don't worry, intelligent temperature control system will automatically power off. 2.Fast charging speed and long holding time. 3. temperature: 50~60 °C 1.Color: White 2.Size: White: 120*72.2*32mm 3. Input and output: DC5V 2A 4. Standby current: 80uA 5. Heating power: 7-10W 6. Temperature: 50 ° - 60 ° 7. Charging time: about 6 hours 8. Working hours: Tested at 28 ° C: Low grade 9 hours; Up to 7 hours; 9. Test at 28 ° C: Low grade 9 hours; Upscale 7 hours 10. Battery: 3.7V-10000mAh polymer battery 11. Tact switch: 2 files 12. Heating sheet: 2.8 Ω Material: ABS + aluminum alloy + silicone + electronic components Package include: 1*electric hand warmer 1*usb cable 1*User manual 1*Cloth bag