Esky 8GB Rechargeable Digital Voice Recorder USB Flash Drive, Black 2-IN-1: 1Hidden voice recorder + 8 GB USB Flash Drive 15 hours continuously working on a single charge, low power consumption Record and charge simultaneously, not a voice activated voice recorder Easy to use: One button to switch On/Off; just plug-and-play, no drive need Mini size: Can be put into your wallet, pocket, great for classes, lectures, meetings, interviews and the like