KJB Security T700 Micro Cassette Telephone Recorder T700 Micro Cassette Telephone Recorder One step connection; Telephone recording accessories; Voice activated recording Two speed record and play back; Built in microphone; Fully portable Tape speeds of 1. 2 cm/sec, 2. 4 cm/sec; 3V DC power (AC adapter not included) Uses 2 AA batteries (not included)