Introducing the Grandstream GSC3510 Bluetooth Speaker System - the solution to your security and communication needs! Ideal for offices, schools, hospitals, apartments and more, this SIP intercom speaker and microphone allows you to build powerful voice intercom solutions expanding security and communication. With its high-fidelity 8W HD speaker and 3 directional microphones featuring Multichannel Microphone Array Design (MMAD), the GSC3510 offers 2-way voice functionality and a staggering 4.2 meter pickup distance. This robust intercom device supports a wide range of peripherals including Bluetooth devices, built-in whitelist and blacklists making it easy to block unwanted calls, integrated dual-band WiFi and advanced acoustic echo cancellation. Pair it with other Grandstream devices such as cordless and desktop IP phones as well as the GDS series of Facility Access products for a state-of-the-art security and voice intercom solution. Not only is the GSC3510 feature-rich, but also modern in design that elevates any space. Whether you need to feel the subtlety of your music come through in sparkling detail or enjoy breathtaking sound from movies, music, podcasts, games wirelessly from any of your Bluetooth enabled devices while working at your desk or relaxing in your couch, our Speaker System delivers! You can even route your music to your tablet, iPad, smartphone or PC with Bluetooth compatibility. Upgrade your security and communication with the Grandstream GSC3510 Bluetooth Speaker System. Buy now and experience a new level of performance and convenience!