Fieldsheer Peak Bluetooth Heated Vest - Engineered to keep outside elements out, the Peak Heated Vest is constructed with Windshark, a Fieldsheer fabric technology designed to take on moderate weather, and a comfortable 4-way stretch material. Throw it on under your camo, snow-Heated Jacket, uniform, or just wear it to the next ball game. The Peak BT Heated Vest is ready for any event. 4-way stretch soft shell construction Wind-Shark protection from wind, rain, and water Sweatsheer moisture-wicking mesh liner Zapsheer anti-static protection Multi-zone heat zones, 2x chest and 1x back Bluetooth-enabled wireless control MW connect mobile app compatible available on App Store or Google Play Store Integrated waterproof touch control button 4 selectable heat settings Powersheer rechargeable Lithium-Ion battery (7.4V 2200mAh) Up to 10 hours of power per charge UL/CE certified USB cable included Charge time 3-4 hours Style: MWUV07010320