ROCCAT ELO 7.1 AIR WIRELESS GAMING HEADSET (ROC-14-140-02) - Measured Frequency response: 20 ~ 20000Hz, Leatherette headband with foam cushioning, Over-ear design featuring memory foam, Audio controls: power button, master volume wheel, mic mute, mic monitor wheel, Rechargeable 24h battery, Compatibility: System requirements: USB 2.0 (or higher), Internet connection (for driver software), Operating system: Windows 10, Windows 7, Windows 8, Connectivity: Direct wireless connection via USB-A transmitter