1,200 mAh USB Rechargeable Hand Warmer in Dinosaur Shape includes the following features : 

• Slightly warmer, but also emergency backup battery
• 3 Temperature setting modes: low ~ 45°C; constant ~ 55°C; high ~ 60°C
• Input: 5V/1A
• Working power: 3.7V/1A
• Rated power: 5W
• Voltage: 5V
• Charging time: 2 hours
• Working time: 1-3 hours
• Built-in 1,200 mah battery
• USB charging cable included
• Designed with an adorable dinosaur shape
• Available in various colors
• Customized logo is accepted

Material :

• ABS and silicone housing

Size closed :

• Length of 10.1 cm x Width of 5.7 cm x Thickness of 2 cm
• Net weight of 67 grams