Conference Phones - Poly (Plantronics) - Headset with cable - Bluetooth - USB-A - Omnidirectional microphone (OMNI directional) - Universal compatibility - 30 - 6800 - 150 - 1x RJ11 phone line - 2x RJ45 up to 1Gbps - JACK 3,5 mm - USB PC and MAC - Built-in battery