What's in the box:

Muslady MF-8 Mini Sound Audio Mixer Stereo Echo Mixers Dual Mic Inputs Support BT Recording MP3 Function with 2 Set Wired Handheld Microphones for TV PC Smartphone Live Streaming Online Karaoke (White)

Feautures:
The sound mixer can be controlled by linear audio input and can be connected to 2 sets of microphones.
Dual Power Supply Modes -- powered by 5V power bank(not included) or power adapter (universal voltage 110-220V).
Features separate reverberation effect and high/bass adjustment. With control panel, including knobs of previous music, pause, function switch, next music.
Support functions of U-disk playing MP3 and recording, audio broadcasting, BT playing.
Comes with 2pcs moving-coil dynamic wired microphone, which adopts cardioid pickup pattern, effectively pick up the sound and minimize the ambient noise.
Ideal for live streaming, stage performing, online karaoke, enjoy singing and have fun with it.

Specifications:
Brand: Muslady
Mixer Color: Black/White (optional)
Input Voltage: DC 5V
Mixer Size: 14 * 14.6 * 4.5cm / 5.51 * 5.75 * 1.77in
Mixer Weight: 298g / 10.51oz
Microphone Type: Dynamic Microphone
Microphone Size: 18.2 * 4.8 * 2.5cm / 7.2 * 1.9 * 1in
Cable Length: Approx. 5m / 16ft
Package Size: 42 * 21 * 5.5cm / 16.5 * 8.3 * 2.2in
Package Weight: 1495g / 52.7oz

Packing List:
1 * Sound Mixer
1 * USB Cable
1 * Power Cable
1 * Power Adapter
2 * Handheld Mic
2 * Mic Audio Cable
1 set of audio cable
1 set of video cable