The heated sleeveless down jacket from Therm-Ic is ideal for never being cold again! Thanks to its heating system controlled by your smartphone via Bluetooth, you can adjust the level of warmth very easily. There are 5 heating zones throughout the down jacket to keep you soft and warm. A very thin, lightweight jacket that integrates easily with your other garments. Features: 5 slim heating elements for excellent heat distribution Compact and lightweight Designed without animal materials Bluetooth function for temperature control via smartphone Work with all external chargers (not included) Estimated heating times depending on Powerbank capacity 3000 mAh = 3h 5200 mAh (Therm-ic Universal Powerbank) = 5h 10,000 mAh = 10h OPTION INCLUDED: USB U-Pack cable USB cable to enable Bluetooth® on the Therm-ic jacket so you can control jacket heating via the Therm-Ic heat control app. When the jacket is not connected to the app, the heating power is at maximum. By connecting the jacket to the app you can control the heating power by choosing the appropriate level. USAGE TIPS: Connect the external charger (not included) to the USB cable inside your pocket and slip it inside the jacket. The heated jacket is compatible with all external chargers. Therm-ic universal external charger recommended. Disconnect the external battery from the jacket to stop heating. Unplug the battery after each use. STORAGE: When the jacket is not in use, allow it to cool before folding it for storage; do not wrinkle the jacket by placing objects on top when it is stored. WASHING INSTRUCTION: You can machine-wash your jacket, just remember to add the cap on the USB end cap! DO NOT USE JAVEL! DO NOT USE SOFTENER! . This description is an automatic translation. Please contact us if you have any further questions. Down jackets Therm-Ic --- Heated Power Vest Men