The Mobile Warming Bluetooth enabled 7.4volt Men’s Alpine BT Heated Jacket is ready for all conditions, rain, wind, cold, all the above. Stay dry with our windproof and water-resistant Windshark softshell construction. Stay warm with an integrated lithium-ion powered heating system that delivers 7.4-volts of instant heat for hours. The Alpine BT jacket features our exclusive Bluetooth enabled integrated touch control button. Use the free MW Connect app to adjust temperature or check battery levels. Choose from 4 heat settings to keep you warm and comfortable for hours. The Alpine BT Heated jacket is ready for any weather, and if outdoor conditions get cold, look no further than the Alpine BT Heated Jacket.