For your dictation and answering machine audio storage, a microcassettes tape offers reliable, consistent performance for playback and repeated use. These standard microcassettes give you 30 minutes of recording on each side of the ferric oxide tape at a standard speed of 1.2 or 2.4 centimeters per second (cm/s). Sony microcassettes give you both options of 60-minute and 90-minute recording duration that uses an anti-static guide roller to reduce flutter. The increased durability and quality of playback are the result of a stronger tape formulation.
All of these tapes are compatible in machines showing the "Microcassette" trademark. Choose from individual tapes sold separately to 3, 6 and 9 packs or Radio Shack's convenient 20 pack bulk case excluding the outer cases.