Batteries:1 Lithium Polymer batteries required. (included)

Feature

Two Heated Zones:Two carbon fiber heating elements generate heat across core body areas. Keep you warm.

THREE HEATED LEVELS:Three heated levels can be selected only by pressing a button on the left chest of heated vest,You can adjust different heated levels according to variable weather and different environments,Perfect for outdoor activities like winter running, snowmobile, motorcycle hiking, ski, Fishing.

HIGH QUANLITY MATERIAL:High quality fleece material with feature of anti-static and washed vertical make you warm and comfortable. Heated vests can be easily worn with your daily attire.

MACHINE WASHABLE:Heated vest for men and women, machine washable? Yes,please convenient to use that matters. Zipper pocket design is a practical ideal for mobile phone storage.

10000mah PORTABLE BATTERY & LONG LASTING TIME:Rechargeable up to 800 times.With USB port, heated vests battery can also power for most compatible USB devices, such as cell phones and mp4.Up to 10 hours battery life(Three Temperature Settings correspond different using time,4h - 7h - 10h),keep you warm all the day.

Material
Outer:Soft shell (6000mm/H2O Waterproof Index), Water Resistant, Wind Resistant
Inner:Polar Fleece (5000g/M/24h Breathable Index), Washer Safe
Waterproof: Yes
Machine washing: Accepted
Zipper type: SBS

Power Supply
3.7V, 10000mAh Battery; Input:3.7V/2.1A.Working hours up to 10 Hours
With USB port, Can also power most compatible devices such as cell phones and computers.(NO Cable Included)
Cordless, Portable & Rechargeable