Milwaukee Heated Gear Power Source w/ App powers all M12™ Heated Gear and lets you customize your heat zones and run-time through the Milwaukee Heated Gear App when paired with HEXON Heat Technology™ garments. Easily connect your mobile device via Bluetooth® to control 10 different heat levels and activate independent heat zones. Enhance run-time control and save your favorite settings for any activity or environment. This 36W power source up to 12 hours of run-time on Low and 3 hours on High for M12™ Heated Gear. With USB-C bi-directional charging, it fully recharges in 70 minutes and delivers 15W output to charge mobile devices. Model Number: 48-11-2330