DSP2021A – 2.4G Wireless Classroom Amplification System-SET

Description

●2.4G Wireless transtation, more stable
●Working distance could be longer than 30 meters
●The same microphone could be used in different classroom with no distraction
●Built-in feedback suppressor, no noise
●With volume control and mute function
●Support built-in microphone and extension microphone
●Support teaching laser pointer
●Support PPT page turning and one key black screen/restore function
●With 3.5mm jack for input or microphone input
●The microphone uilt-in 750mA lithium battery,charge time 2 hours, working time more than 12 hours
●Energy efficiency,automatic shutdown after 60 minutes without signal input