New Background Noise Reducting Technology & Speech Enhancement - eMeet Luna Bluetooth Speakerphone features exclusive updated VoiceIA technology, eliminating background noise such as air conditioning noise, keyboard clicks, & general background noise. With the auto-vocal-increase function, this USB conference speakerphone is able to identify the distance of the sound source, automatically adjust the sound volume to realize self-volume balance, and provide a smooth and clear call experience.Daisy Chain For Up To 12 Attendees - Connect 2 Luna with eMeet's special cable to expand the effective meeting space. The cascading function makes Luna more flexible to easily work well for small meetings (under 8 attendees) to medium and large meetings (up to 12 or more participants). (Note: Daisy chain cable needs to purchase separately. ASIN:B087G5MFN1) It will automatically turn off when not used after one hour for battery life saving. But the standby time can be adjusted in eMeetLink APP.Multi-Microphone Array & 360 Pickup - 3 Microphone array equipped with self-developed VoiceIA algorithm technology to realize 360 free pickup and the maximum volume of the speaker was increased to 85dB making Luna Bluetooth conference speaker easy to apply to a larger conference room. This conference microphone and speaker was made to be full-duplex ensuring your remote conference call will not be interrupted and help you enjoy smooth calling experience.Various Connection Mode & Strong Compatibility - USB, Bluetooth, AUX, Dongle Connection are all your choices to connect Luna conference speaker with your devices. With the dongle, Luna speaker phone can be paired automatically pairing PCs and solve the problem of Bluetooth compatibility of PC to ensure stable connection. No driver needed, plug and play. It is also compatible with various platforms, including Zoom, Skype for Business, WebEx, etc. No matter Win or Mac could be easily connected.Stylish & Intimate Design eMeet Luna conference speaker adopted advanced sandblasting process making full-metal and matte color shell so that Luna Bluetooth speakerphone could more integrate with your office design or home office. Dongle slot and portable design allow you to carry Luna USB speakerphone all round and hold a meeting anywhere you want without losing the dongle. Whether you are in the office, at home, or on a business trip, Luna Speakerphone helps you fulfill a smooth calling.