The “WiWi” is a wireless and 2-way transmitter and receiver which use frequencies of 900MHz and 2.4GHz. It provides a secure and high sound quality audio transmission and reception service using a near-field wireless communication network with a 3-stage security system. It can also be linked with other audio devices and has excellent scalability, and can be used in many different areas.

• It can transmit/receive voice and audio data.
• It features a high level of security.
• It can be linked with many different types of audio devices including TVs, PCs, MP3 players, and speakers.
• Small and light, hand-free is available through bi-directional communication.
• Parallel talks with 4 people are available with the right to speak. (3 people for SH-320)
• No interruption between channels, and has wide channels. SH-500 Features Every device runs in either master or slave mode. (However, note that there has to be just one device running master mode per group.)
• Wireless service that is adaptive to the actual service operant situation with the use of dual RF interface.
• High-quality GUI on a high-resolution color LCD display.
• Signal strength indicated for each wireless interface.
• Indicates the remaining battery power and the volume.
• Indicates the right-to-speak status, as well as channel and group information.
• User naming (alias) feature.
• Indicates Bluetooth service status.
• Using the right-to-speak function, up to 4 people can converse simultaneously.
• Can be linked with a smartphone via Bluetooth for use of hands-free, stereo headset, 2-way data communication services.
• Data security feature: 3-stage security code system.
• Improvement in communication quality by the use of frequency /time/space diversity.
• Using the micro USB port, the software can be updated or the voice can be charged; also, debugging can be done.
• Features 2 different modes (master/slave).
• 2-way real-time audio/voice communication can be done with another WiWi device.
• Small size and lightweight design.
• 4 channels available for use.
• Built-in battery with a long lifespan.
• Link with other audio devices (TVs, PCs, MP3 players, speakers, etc).
• Features volume up/down buttons and a right-to-speak button.
• High level of communication security and 3-stage security.
• Micro 5 pin USB charging method.
• Compatible with headsets (3.5mm 4 pole).
• Individual charging and simultaneous charging.
• Application areas: tour guides, conferences, industrial sites, education, sports, etc.