1. Microphone voice amplifier
2. USB/Micro SD playback for MP3/WMA format
3. Aux-in & external microphone record to micro SD/USB
4. Transfer files from computer to unit via USB cable
5. LED display
6. Aux-in jack
7. External microphone jack
8. Type-B USB charging jack
9. 1.2m strap
10. Built-in battery (18650 type,2200mAh)
11. Speaker: 5W *1pc
12. Unit size: 102(L)* 37(W)* 109(H) mm
13. Weight: 200g
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