100 Hz to 15 kHz 110 dB SPL 3.88 oz 5" Height x 1.14" Width 56 dB 56 dB 1 kHz ±4dB Cord type: OFC two core-shielded Output Impedance 1 kohms 20%, unbalanced Power Requirements: DC 1.5V from Manganese Battery (x1) Battery Life: Approx. 100 hours with Sony AA Battery Directive angle: 90 or 120 degree (switchable) Triangular shape design, fits comfortably in your hand Wide Dynamic range for capturing high-quality sound through digital recording Compatible Models: BM-21 BM-575 CD-BM1 ICD-BM1VTP ICD-MS515 ICD-MS515VTP ICD-ST10 ICD-ST10VTP M-2000 M-2020 MZ-B10 MZ-B100 MZ-N10 MZ-NF810CK MZ-NH1 MZ-NH900 MZ-NHF800 TCD-D100 WM-GX221 WM-GX788 High quality uni-directional digital stereo microphone, ideal for recording lectures or seminars. Cable Cable 59" Detachable ECM-MS907 ECM-MS907 Microphone Electret Microphone Mini-phone Gold Plated Sony Sony Corporation Stereo www.sony.com