Discreet and portable, USB Hand Warmers are a convenient way to stay comfortable throughout the day. Use between your hand or place discreetly in your pocket. As a bonus, the IR heat transmission promotes blood circulation, and speeds up your metabolism.
Heat Preservation Duration: 6 Hours
Colors: Rose, Black, Blue, Silver, or Gold
Material: Aluminium alloy
Product Size: 10.5*6*1.5 CM
Battery: Built in 5200mAh / 5wh lithium battery
Charging time: About 2 hours
Features: LED Light
Temperature Modes: high, medium, and low temperature levels.