Jernano Carbon JERNANO-F5113 Carbon Nanotube Heating Film User Manual Please take attention that changes or modification not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:Get more news about JERNANO,you can vist our website! This device may not cause harmful interference, and This device must accept any interference received, including interference that may cause undesired operation. iwarm 4.0 uses soft,thin material as the core heating material,which converts electricity quickly into heat energy through efficient electrothermal conversion. Bluetooth function Connect the USB connector to the 5V / 2A mobile power interface, long-perss the controller, let the Bluetooth light flashing, Controller enters Bluetooth connection status. Using steps Download and install app for mobile phone. Connect APP,:open your phone Bluetooth, enter the software interface and long-perss the controller, let the Bluetooth light flashing, click on the “+” to add intelligent wearing, then you can work on the iwarm 4.0 independently Driving force:5V,high safety factor(<36V); Planar heating, even heating, fast heating,comfortable; The far-infrared wavelength emitted by iwarm 4.0 is very close to the human body; Realize intelligent and touch-tune control mode, meet the requirements of different people and different temperatures in different environments.