The IVA U302C-H2 is a dual handheld microphone wireless dongle system. This affordable dongle wireless is based on UHF technology that are well-known for stability for cordless audio transmission. It has total up to 60 channels to be selected should you need navigate around complicated RF environment. U302C-H2 is very good for general usage such as wedding event, classroom use, meeting rooms or any small scale venues. The small sized dongle enable ultimate portability and space saving unlike conventional 1U size wireless receiver.