Mini Portable USB Flash Drive 16GB Flash Drive U-Disk Item specifics: Size: 55*23*17MM Brand new and high quality Built-in microphone Support TF card (Max 16GB) Super long recording time Can be used as card reader Rechargeable Li-ion battery Lightweight and easy to carry Ultra-thin shape, small size USB 2.0 interface,support win8 or above Digital Voice Recorder is in new condition Perfect for recording interviews and meetings Supports music playing function,audio format is WAV Long time voice recording (about 4 hours continuously) Portable and practical, the Voice Recorder Pen can be taken anywhere to record audio from meetings, conversations, phone calls, surveillance, and other situations where an unobtrusive way of recording audio is needed. Use the pen for repeating directions while on your cell phone. Or for help to memorize client names. This pen will work perfectly. Package Included: 1x U-Disk