audio-technica 2MHz band infrared cordless microphone AT-CLM7000TSX

Type: Unidirectional dynamic type // Carrier frequency: A: 2.06MHz B: 2.56MHz Battery: Dedicated nickel-hydrogen rechargeable battery Continuous use time (dedicated nickel-hydrogen rechargeable battery): Approximately 10 hours (output ECO) / Approximately 7.5 hours (output Lo) / Approximately 4.5 hours (output Hi) External dimensions: Head diameter φ56 × L223mm // Weight: 275g (when equipped with dedicated nickel-hydrogen rechargeable battery) Compatible with CLM701 series