 | Connectivity: Proprietary 2.4GHz radio frequency for advanced 2-way transmission |
 | Range: Up to 22m (72ft) |
 | Play Time: Up to 8hrs |
 | Standby Time: Up to 3 months |
 | Charging Time: About 2.5hrs |
 | Battery: Built-in Lithium-Ion battery (rechargeable) |
 | Audio Sampling Frequency: 48kHz |
 | Driver Units: 40mm Neodymium magnet |
 | Frequency Response: 20Hz-20kHz |
 | Sensitivity: 114dB/mW |
 | Microphone Type: Noise-canceling condenser |
 | Frequency Response: 100Hz-16kHz |
 | Sensitivity: -42dBV/Pa |
 | Cord Length (USB Transceiver): 0.8m |
 | Net Weight: Headphones: 155g (without packaging); USB Transceiver: 60g (without packaging) |
 | Minimum System Requirements |
 | Intel Pentium 4 1.6 GHz, AMD Athlon XP 2000+ processor or faster |
 | (Pentium 4 2.2 GHz, AMD Athlon XP 2400+ processor or faster recommended) |
 | Intel, AMD or 100% compatible motherboard chipset |
 | Microsoft Windows Vista 32-bit or 64-bit, Windows XP Professional x64 Edition, |
 | Windows XP Service Pack 2 (SP2) |
 | 512MB RAM |
 | 600MB of free hard disk space |
 | CD/DVD-ROM drive |
 | One available USB port (for the USB transceiver) |
 | Installed and launched Windows Live Messenger or MSN Messenger to answer / end calls. Skype requires manual configuration. |
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