Product information: 4000mah battery capacity mini hand warmer
- Compact machine only 158gr
- Battery capacity: 4000mah
- Product size: 98*41mm
- Material: aluminum alloy, ABS and PU leather handle
- Warm up to the highest temperature of 58 degrees C
- Keep warm continuously for 3-4 hours when fully charged
- The product has 3 colors: white, red, beige
- When using Auto mode, the machine will automatically stop heating when the hand is no longer holding the heater for 2 minutes, and will gradually warm up after holding the device.