These 5 Sony TCM-929 Desktop Cassette Recorders are a modern, detailed and feature-rich cassette recorder for the home or office. With a built-in microphone and speaker, the recorder is ready to record your thoughts, exam reviews, important reminders and novel ideas. The retractable handle is a plus for those carting the recorders around school, or from meeting to meeting. The three-digit tape counter, one touch recording and pause control all ensure that you have all the features necessary to make editing and recording an easy and fruitful process. These TCM-929 come with a microphone jack should you need to attach a more dynamic microphone. There is also a headphone jack for those studying in the library or coffee shop. The recorders run on the included AC adaptor or with four, AA batteries. When using Sony's Alkaline batteries, you can expect up to eight and a half hours of operation. To help you save battery life, Sony has installed a full automatic shut-off in this recorder. This feature operates all the major buttons, including play, fast forward, record and rewind. Should these buttons remain pressed for a certain amount of time, the recorder will automatically shut-off them off, saving not only valuable battery life, but also critical mechanical wear. These TCM-929 are an efficient and feature-filled cassette recorders. Have 5 recorders remaining, selling price is per unit. Selling due to no longer needing. All 6 units work. Free shipping!!