[Mini USB Voice Recorder]mini designed usb voice recorder it could easy to take with you in anywhere, like your pocket, wallet, backpack. The recorder also designed with a lanyard hole that you can hang it on your key ring. Recording your lectures, meetings, interviews, class, speeches . [16GB Mini Voice Recorder]The small voice recorder with 16GB internal memory, 128Kbps recording resolution, could up to 288 hours of recorded files or 2200 . Built-in rechargeable 150mAh Lithium battery, charging 2 hours, support 6-8 hours continuous recording. No blinking lights, or sounds while recording that could provides covert recording. [Dual USB Connector]The usb voice recorder built with dual connector with both USB 2.0 and -USB plug. You could listen your mp3 audio recordings on Windows/ PC or Android devices(OTG) with -USB plug directly that without needing any software or USB cable. Plug the device into an USB port and it can be , as computer, USB power strip, wall charger, car charger and so on. [Flash Drive Voice Recorder]Voice recorder and USB flash drive 2 in 1. This voice recorder not only can record audio, it also functions as an ordinary flash drive and can other files/documents. When you are to listen to what you have recorded, simply plug it in to Windows/ computer or Android phone(OTG) to instantly /listen to the files. Memory: 16GB USB: 2.0 High Speed Supported File Formats: MP3 Recording Quality: 128Kbps(up to 15 feet) Battery: Built-in 150mA lithium polymer rechargeable battery System Compatibility: Windows/2000/XP/7/10; OS; Android ( not compatible) size:70*21*9.4mm Material:plastic colour:black Package Contents: 1 * Voice Recorder 1 * Manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.