Our Heated Gear Power Source w/ App Control powers all M12™ Heated Gear and allows you to personalize your heat zones and run-time through the Milwaukee® Heated Gear App when paired with HEXON Heat Technology™ garments. Quickly connect your mobile device to this power source with Bluetooth® to control 10 different heat levels and independent heat zone activation, enhance run-time control, and save your favorite settings for any activity or environment. This 36W power source provides up to 12 hours of run-time on Low and 3 hours on High for M12™ Heated Gear. With USB-C bi-directional charging, the Heated Gear Power Source re-charges itself fully in 70 minutes (36W) and delivers 15W output to charge mobile devices.