Search query: go mixer pro

Product: Roland GOMIXERPRO Professional-Quality Audio Mixer for Smartphones Palm-sized audio mixer for smartphones
Multiple inputs—connect a mic, pin-mic, musical instruments, and media players
Stereo 1/8-inch Mic In mini-phone jack with plug-in power (2.5 V) for connecting pin-mic
Combo type Mic input supports XLR and 1/4-inch plug equipped with phantom power (48 V)
Powered by the smartphone connection or battery-powered operation, Alkaline battery (AAA, LR03) x 4, for use without draining smartphone power Roland