Can be used in two smart ways:-
Can be used for track recording directly to mobile device.
-Or-
As a portable busking mixer if paired with a USB battery to power it, and connect the monitor out to a amp.
Spec:
3x 1/4inch Jack inputs. For Mic + two Instruments (one Instrument can act as mono or stereo in)
2x 3.5mm jack inputs for audio devices
1x 3.5mm jack output for Monitor Out
USB micro-b for connection to phone via OTG cable
Includes Usb OTG cable for both Micro USB-b, and Lightning. Works with iOS and Android. Some users may need a OTG Micro USB C cable for newer phones.