ClearOne WS-TCM-M915 Interview microphone Wireless Black

Tabletop Microphone, Cardioid, RF Range: M915 (902 - 928MHz), USB / Battery, 2x AA NiMH (Charge Time: 4h, Talk Time: 8h), 60 - 15kHz, Signal to Noise Ratio: 73dB (Cardioid version) - Mic Polar Pattern: Cardioid.
- RF Output: 1, 10, 25 or 50mW, user selectable.
- Power: USB or Battery.
- Antenna: Internal.
- LED Indicators: Battery status, mute status.
- Button: Mute on/off.
- Programmable switch: Talk, mute, logic mute, on / off.
- Frequency Response: 60 - 20kHz (Omni version); 60 - 15kHz (Cardioid version).
- Signal to Noise Ratio: 80dB Typ. at 1kHz (1Pa) 'A' weighted (Omni version); 73dB Typ. at 1kHz (1Pa) 'A' weighted (Cardioid version).
- Battery: Two rechargeable NiMH included, standard AA size.
- Battery Charge Time: 4 hrs.
- Battery Talk Time: 8 hrs continuous usage per charge, typical @ 1mW.
- Dimension: 3.9 L x 2.8 W x .69 H inches.
- Weight: 0.25lbs (.12 Kg) including batteries.