Multi-Function Free Debugging Rechargeable Phone&Laptop Universal Sound Adapter

Features:
Conveneint to to carry, plug and play, simple and time-saving.
Built-in large capacity rechargeable cell, energy saving.
BT accompaniment, say bye to complex circuit, stable and simple.
Professional reverb, improve sound quality.
Pure sound quality, independent adjustment.
Support dual phone, microphone and BT receive accompaniment.
Phone and laptop universal type sound adapter.
16 sound effects, 6 microphone effect models, 12 electronic music, free debugging, one-key switch.