The product adopts hybrid circuit technology, can use two 1.5V ordinary battery or two 3.7V, 14500 rechargeable lithium battery, sustainable 10 hours 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 an LCD screen, which can display the call volume and call status in real time, and has the functions of independent gain adjustment and speech timing. It supports two role definitions: VIP/ participant.

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.