Amazon.comThis Sony TCM-929 Desktop Cassette Recorder is 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 recorder 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. The TCM-929 comes 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 recorder runs 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. The TCM-929 is an efficient and feature-filled cassette recorder.What's in the BoxSony TCM-929 Desktop Cassette Recorder, AC adaptor, user's manual and a ninety day warranty.Product DescriptionTry this traditional full size Sony TCM-929 Pressman Desktop Cassette Recorder for those important moments that you need to keep on file. The convenient built-in retractable handle allows you to take it anywhere!From the ManufacturerIt doesn't get easier than this! Record your exam reviews with the Sony's TCM-929 Pressman Desktop Cassette Recorder and start your school year off right. Featuring a built-in microphone, a built-in retractable handle, one touch recording, a 3-digit tape counter, and full automatic shut-off--this recorder has everything you need to make studying simple.Features: Built-In Microphone provides convenient recording versatility in various situations Full Automatic Shut-Off releases the buttons in play, record, fast forward and rewind modes to reduce mechanical wear and conserve battery power Built-In Retractable Handle makes for easy portability when desired, and self-stores easily when not in use One Touch Recording for simplified, quick play/record operation Built-In Speaker has excellent sound quality to monitor tape playback Pause Control allows for instant on-the-spot editing 3-Digit Tape Counter makes it easy to find a specific location on the tape for rapid access and editing Earphone Jack for private listening with optional earphone Microphone Jack lets you connect an external microphone if desired AC or Battery Operation lets you use conventional batteries for hours of operation, or standard household current for virtually unlimited recording and playback time AC Adaptor conserves batteries and provides virtually unlimited recording and playback time when an AC power source is available Modern Desktop Design makes an attractive appearance in home or office Tape System: 2 Track, 1 Channel Monaural Standard Cassette Frequency Response: 150-8000kHz, 3dB Microphone: Built-In Electret Condenser Inputs: DC In, 6V; External Microphone Outputs: Earphone Minijack Speaker: Mono: 2-5/8 (66 mm) dia x 1 Power Output: 810mw (at 10% THD) Power Requirements: DC 6V with AA x 4 Batteries, AC 120V 60Hz Battery Life: Approx. 8.5 hours with Sony Alkaline Batteries (not included)