Product description Colour Name:black This HccToo portable and practical Voice Recorder can be taken anywhere to record audio from meetings, conversations, phone calls, and other situations whenever you need it. Small and extremely lightweight This HccToo digital voice recorder is small and extremely lightweight, so it can be taken anywhere to record audio for interviews, meetings, lectures, and etc Record telephone conversation This HccToo digital voice recorder also can record telephone conversation, please connect the voice recorder with telephone via telephone adapter. Automatically save recording Please press REC button to record the voice, and it will automatically save the recording when you press STOP button. Don't need to listen to the playback audio files in your computer, just listen it on the go. Multifunctional function This HccToo digital voice recorder has multifunctional, include MP3 function, USB Storage Flash Disk, A-B repeat function, Delete function. Technical Parameters Battery(full charge): Recording up to 20 hour, Supported systems: Windows XP, Vista, 2000, Windows 7. External input: Stereo earphone, Microphone: 3.5mm stereo Socket. MINI 5 Pin USB cable: PC interface USB 1.1/USB2.0. Attentions 1. Please check the switch is ON to charge, when charging it. 2. You can hold PLAY to turn off, after setting the time. 3. If you can not record, please test the memory. If it is full, Please delete or transfer some content to have spaces for recording. Besides, if the energy is low, it will not able to record.