portable key chain recording pen Mini Digital Audio Voice Recorder Dictaphone MP3 Player Recorder Pen Rechargeable1. T68 portable key ring recording pen, is a recording pen, also is a MP3 player , can also be used as U dist. it Can be linked to the key,also can be backpack buckle. 2. Portable, recording is more invisible. 3. when charging also can be record 4. With encryption protection function 5. it has a timestamp function. Named the recording file in time, which can be used as a valid certificate. 6. Support a key recording, power on recording, shutdown save.