Operating system: Windows XP, Vista, or 7
Processor: Pentium 4 1.6GHz
Memory: 1GB
Hard disk: 200MB
Bluetooth: Bundled USB dongle
Operating system: OS X 10.5 “Leopard” or later
Processor: Intel Core 2 Duo
Memory: 1GB
Hard disk: 200MB
Bluetooth: Built-in Mac receiver (or bundled USB dongle) required
Microphone Dimension: 6x2.7mm
Microphone Sensitivity: -50±3dB
Microphone Direction: Omnidirectional
Microphone Impedance: F=1KHz Max 2.2KW
Speaker Type: plastic shell with internal magnet
Speaker Dimension: 40mm
Speaker Impedance: 32W±15%
Speaker Frequency Response: 20Hz – 20KHz
Speaker Sensitivity (S.P.L.) at 1KHz: 93±3dB