Wireless heating is the actual portability. You can drink scorching coffee anytime, anywhere, or use it while plugging in the energy double tray design: well matched with NES tablets and low powder dual mode operation: room temperature extraction mode/heated extraction mode 19bar high-pressure extraction Novel look and exotic design Long Range: Paired with a 7500mah battery, it may be used 3-4 occasions in heating mode and 200+times in room temperature extraction Fast charging: 20W speedy charging, can charge 70% of the battery in 70 minutes, and may completely fee in 120 mins Colour:Black Material:ABS Package Contents: 1x espresso mechanical device Only the above kit content, other merchandise usually are not included. Note: Light reflection and diverse reveals can cause the colour of the item in the photograph a bit of varied from the genuine thing. The dimension allowed error is +/- 1-3cm.