Powered by usb cable: you can connect it with the usb port,like power bank, computer, to warm it.
Temerature: always keep the the hand warmer at 45°C.
Warm Your Hands Instantly: It Provides Instant Heat To Keep Your Hands Warm.
LONG-LASTING HEAT: This Electric Hand Warmer Bag Provides Long-lasting Heat. Allowing You To Choose The Perfect Temperature For Maximum Comfort.
MULTIPLE USES: The Electric Hand Warmer Bag Doesn't Just Keep Your Hands Warm, It's A Versatile Accessory With Multiple Uses.
material: 50% flannel+50% cashmere
Package include
1x hand warmer( Power bank not included)