Style: Sleeveless Vest
Color: Black or Blue
Power Supply Interface: USB
Power Supply: 5V/2A（Not Included）
Heated Area: Back
1X Sleeveless Vest (Mobile Power Not Included)
Works wonderfully. Will be getting more as Christmas presents.
Slow shipping time but well worth the wait. This thing is warm especially around the neck.
Looking forward to the cold now.
Works pretty good so far