Product Name: VoiceStation 500 Analog Conference Phone with Bluetooth Product Type: Conference Phone Phone Features: - Conference Call - Redial - Noise Reduction System - Speakerphone - Pulse/Tone - Volume Control Dimensions: 3" Height x 9.25" Width x 9.5" Depth Buttons & Keys: - 19 x Keypad - Flash Button - Redial - Mute Button - Hands Free Phone Lines : 1 Interfaces/Ports : - 1 x RJ-11 - 1 x Sub-mini phone Headset Product Model : 500 Product Line : VoiceStation Frequency Band/Bandwidth : 2.4 GHz Connectivity : Bluetooth