Check out this really cool product. Warm up your palm in those cold days, PLUS also act as an emergency small capacity power bank. Comes with little grey pouch to stay warm longer, plus USB charging cable.

Features:

• Brand new
• Made of aluminum material, even body, rapid heat transfer.
• Dual side warm and ultra-slim.
• Built-in rechargeable Lithium battery, can be recharged around 500 times.
• Portable USB charging by external DC power supply or PC's USB port.
• Push-button for 3 seconds to switch ON/OFF to avoid the incorrect operation and more conveniently.
• Keep temperature stable around 40?.
• Act as a mobile power to charge smart phone or tablet when necessary.

Specifications:

• Material: Aluminum
• Color: Black
• Built-in Battery Capacity: 1050mA
• Warming Time: Around 2 Hours (subject to external environment)
• Rated Voltage: DC 5V (600mA)
• Charging Time: Around 2 Hours
• Warming Temperature: Around 40?
• USB Charging Cable Length: 83cm
• Size: (L)X(W)X(H)9.1X4.1X0.9cm

Package Includes:

• 1x Hand Warmer
• 1x Knit pouch
• 1x USB Charging Cable
• 1x User Manual