Product built-in rechargeable lithium battery, provide charging interface, sustainable 10 hours of speech or continuous 24 hours standby work, and the use of unique encryption technology, to ensure the security of conference information; It is equipped with LCD screen, which can display the call volume, call status and circuit status in real time. It has independent gain adjustment and speech timing functions, and supports three role definitions. Chairman /VIP/ non-attendance.

Sonfit wireless hand in hand conference system unit is suitable for local sound amplification in meeting rooms, classroom interaction, court hearings, video conferences and other scenes.