Ideal for all recording into any powered 3.5 mm mono or 3.5 mm stereo jack.nThe ECS GN-M microphone element is surrounded by 9 mm metal tubing to provide unmatched flexibility and durability.nContort this hands free microphone into any desired position to suit your recording needs.nTypically used in applications listed below: Voice Recognition Software, PC Recording Software, SKYPE Internet Conferencing, Analog Cassette Recorders, Digital Recorders.nThe ECS-GN-M uni-directional gooseneck microphone will provide unparallel high quality recording into any 3.5mm mono or 3.5mm stereo jack. Ideal for all recording into any powered 3.5 mm mono or 3.5 mm stereo jack. Typically used in applications listed below: Voice Recognition Software PC Recording Software SKYPE Internet Conferencing Analog Cassette Recorders Digital Recorders The ECS GN-M microphone element is surrounded by 9 mm metal tubing to provide unmatched flexibility and durability. Built in state of the art microphone element eliminating interference caused by on-board chipsets that are often placed close to noisy electrical circuitry and can negatively affect speech recognition or recording results. Contort this hands free microphone into any desired position to suit your recording needs. The unrivaled combination of highly accurate speech recognition results and ease of use makes the GN-M an ideal product. Specifications: Frequency response: 70Hz ~16KHz +/-3db Impedance: 680 ohm Sensitivity: -38 db +/-2db Sound Direction: uni-directional 23 inches from base to microphone 18 inches adjustable flexible gooseneck Full metal tubing for long life Plug: 3.5mm Stereo (Mono Adapter Included) ECS GN-M Includes: Gooseneck Microphone, 3.5 Stereo Female to 3.5 Mono Male Adaptor and Wind Screen Sponge.