[Customer Testimonial]: My husband is currently in college and uses it to successfully record his classes so that he has the ability to go over the information again. The battery is exceptionally good too. So far he has run it through three courses with yet to need charging.</br>[Customer Testimonial]: I am getting this watch to discreetly record all the minutes of the meeting on my work. I need ho over with a lot of important factors so this truly helps.</br>The files can be timestamped. Please read the following description to find out how to set date stamp on recordings.</br>You can play the audio files right from the watch, with the headphones plugged in, or with a speaker. The cable and headphone are included in the box.</br>Fully Compatible with Mac & Windows 10/8/7. Please read below "Special Information For Mac / Windows Users "</br></br>Product Description</br></br><b>INFINA </b> - A world of recordable moments in your Pocket <br><br> • Great for schooler to record lecture in classroom. Great for recording a meeting also. You can hear people talking all the way across the room, and hear them clear as day.<br> • It pick up voice very well while moving. You can feel free to wave your arm when recording. <br> <br><b>Specification: </b><br> • Flash Memory: 8GB <br> • Recording Format: WAV <br> • MP3 Player: Support MP3, WMA, WAV <br> • System Support: Windows2000/XP/vista/7/8/10, Mac OS <br> • Rechargeable Battery: Charge 1 hour, and it will last 20 hours recording and 15 hours during playback. <br><br> <b>Are the file timestamped: </b><br> Connect the recorder with computer, and find the folder named "Settime". After click "Settime" you will see the App named "Set Digital Recorder" ( The app is only compatible with Windows, not Mac ). Click the app, then your audio file will be correctly timestamped. ( Note, if the recorder's battery is fully discharged, you might need to sync time again with your computer. ) Please also note: if your recorder miss the settime folder, please contact us through your buyer account, or directly download the app from Infina Recorder official website. <br><br> <b> Special Information For Mac / Windows Users </b><br> If your computer can not play the audio file, please google "VLC Player for MAC " or "VLC Player for Windows", and download it. After install the software, please open the audio file with the VLC Player. <br><br><b>Package Included: </b> <br> 1 x Recorder braclet <br> 1 x USB cable <br> 1 x Earphone<br> 1 x English manual<br><br> <b> PLEASE NOTE:</b> <br> • The first thing you will want to do is plug it into the computer through USB cable to charge the device. <br> • The display is just a decoration and not a real screen, it only shows led light indicator. <br>• The device won't record if the headphone is plugged in</br><br/>http://www.amazon.com/gp/product/B01KLB557K