The WS-853 Stereo Recorder is perfect for capturing notes, meetings or lectures. With an ample 8GB memory plus an in-built microSD slot this MP3 recorder offers more than 2000 hours in mono or 133 hours in stereo. The integrated USB stick also allows connection to a computer with the need for a cable. Battery life is also over 100 hours; Stereo Recording for better quality. Over 2000 hours recording time. Built in USB to connect to PC or Mac without cables. Over 100 hours battery life (Recharge batteries included. ). Compatible with Microsoft Windows Vista /7/8/8.1 Mac OS X 10.5 10.9. Dot matrix. Built-in memory 8 GB. Voice activated. Recording time 2080 hours. Twin speed recording. Stereo voice recorder. Dictation and conference recording modes. Slow_fast playback. A to B repeat function. 5 folders. Built-in microphone. Built-in microphone and speaker. Integrated speaker. Can be used as an MP3 player. Storage via Micro SD. WMA files can be transferred and played. Built-in USB connector. None included, microphone, headphones and microphone. General information: Weight 271g. Size H15.5, W13, D4.5cm. Batteries required 2 x rechargeable (included) . Manufacturers 2 year guarantee.