Plug and play; turn on the wireless mic and automatically connect within 3.2ft; just plug the TT123 into the mic jack of the TR623 amplifier to use
Wireless use; you don’t need to carry voice amplifier, and you can move freely up to 164ft; TT123 can be fully charged in 2-3h, and can be used for 6-8h
TR623 Portable mini voice amplifier has a wide, penetrating coverage, up to a large room of approximately 25-100 people
Rechargeable voice amplifier; 1800mAh lithium battery, you can conduct a lecture or a meeting for a continuous 6-18h without any hassle
You have the audio recording feature in this amplifier speaker, enabling you to record and playback your song, lesson, presentation, or speech; If you are more interested in the news, then turn on the FM mode