Features:

• Exquisite ComFort - Made of high-tech aircraft-grade aluminum and ABS material, thousands of polished exterior material, smooth and warm, portable and compact as well anti-skid in one hand.
• Compact And Light - Ocoopa hand warmer 118s fits just right for your palm. You can feel it's lighter than your phone.
• Fast Heating - Press the switch and instantly release the warmth for you.
• 3-levels Temperatures Adjustable - 3 levels of temperatures 95-107°F/104-118°F/118-131°F at your choice.
• Large Battery Capacity - 5,200 mAh lithium rechargeable battery with USB-C charging port ensures a long using time. 
• Mobile Power - It can also be used as a power bank to charge your electronic device at any time.

Specifications:

• Brand: OCOOPA
• Material: Aluminum
• Power Source: Battery Powered
• Rechargeable Battery: 5,200 mAh
• Dimension(cm): 10.4*5.3*2.9
• Weight: 132g
• Using Time: 4-6 Hours
• Input Port: USB Type C
• Output: USB C 5V2A
• Adjustable heating levels: 3

Package Includes:

• 1*OCOOPA 118s Rechargeable Hand Warmer
• 1*USB charging cable 
• 1*USB converter
• 1*Portable pouch

You May Want to Know：

FAQ1: How long does it stay on?

The hand warmer can work continuously for 4-8 hours, which varies according to the environment temperature and heating levels.

FAQ2: Why do I need rechargeable hand warmers?

Compared to chemical hand warmers, rechargeable hand warmers are Reusable, Heat adjustable. It's your power bank too.

FAQ3: Can I use it warm my hands and at the same time charge my phone?

No, please be noticed that to be safer, the heat functions are disabled when you charge a phone or recharge the hand warmer.

FAQ4: Is there a low battery warning?

Yes, you can see flashing red and blue lights when it's about to run out of battery.