The FK Irons Flux Max 2.0 is a wireless machine and features state-of-the-art technology that interprets the artist’s way of working, from the type of ink and needle the artist is using to the pressure exerted on the skin, optimizing the experience for both the tattoo artist and the tattooed skin. Its versatility allows this tattoo machine to be used with FK Irons grips and with other PowerBolt and Killswitch batteries. It is an ergonomic PEN that is comfortable to use for several hours due to its weight of 205 g. The FK Irons range of tattoo machines now has an improved PowerBolt II that offers even more autonomy. This tattoo machine battery has an autonomy of 6 to 10 hours, depending on the type of work. To connect the PowerBolt II to the machine, simply screw it on. Battery charging via USB-C connection. This PowerBolt is compatible with other FK Irons machines, such as: FK Irons Flux, FK Irons Flux S and FK Irons EXO. Features: Color: Black Weight: 205 g Dimensions (with PowerBolt): 124,5 x 38,5 mm Voltage: 4 to 12 Volts Battery life: 6 to 10 hours