PLUG AND PLAY - No confusing software needed,It's really only useful if you can upload files to a PC or other device & then fast-forward to the point of focus for a recording,Support U disk function.</br>USE AS A HIDDEN SPY VOICE RECORDER USB + 8GB Flash Drive. 2 Handy Gadgets in one. Use as a Digital Voice Recorder and USB for Photos, Documents and lots more.</br>SIMPLE AND EASY TO USE AND CHARGE Single ON/OFF switch for hassle-free operation as a spy USB recorder. Doesn't need to be plugged into a computer to record. Low power consumption. Long lasting battery. if you need to up to 15 hours-Charging Time: 2 Hours</br>BEST AND SIMPLEST RECORDING DEVICE: to capture conversations, interviews, meeting decisions, lectures, talks, conferences concerts, sermons, ceremonies, training sessions, telephone conversations, radio programs. Use as a digital Dictaphone for your own ideas and everything you need to remember. Good back up for incident or police report. Record doctors' instructions.</br>100% money back guarantee: if you are not happy with your purchase just return it for a full refund , No questions asked</br></br>Product Description</br></br><b>Recording Output Format: WAV<br> USB Interface：USB2.0<br> Sampling Frequency：48KHz<br> Bit Rate：512kbps<br> Recording Time：15 hours after fully charging<br> Product Size:(LxWxH): 2.84" x 0.83" x 0.51" <br> Weight：15g<br> Support OS Support win 98 above windows OS without USB driver<br> Operating Temperature：0℃～40℃<br> Operation Instruction ：<br> 1.Turn the switch to "ON" position, the red indicator will flash several times, then off, the recorder will start recording voice. During recording, the red indicator is off.<br> 2.When you finish recoding, slide the switch to "OFF" position, it will need 5 seconds to power off, because firmware need some seconds working time to stop. <br> 3.Automatic voice saving: when recording , if the power is exhausted, the recorder will stop recording and save the recording file automatically.<br> 4.Can not recording: if memory is full, the recorder can not record, please delete the files from the recorder memory.<br> 5.When recording, you plug the USB recorder into USB port of your computer, it will stop recording automatically, when you unplug the USB recorder, it will continue to record , but start a new recording file.<br> Removable disk (upload/download)<br> 1、Under any circumstance except system upgrading, when inserting USB Recorder into the USB interface of PC, the system will immediately interrupt current operation, trying to connect with the PC. Disk operation is ready when the removable disk icon emerges in the PC operation system.<br> 2 、Upload/Download: When removable disk is detected, you may upload/download Recorded files. When you finish copy, you can operate to delete files on recorder and unplug the device.<br></br><br/>http://www.amazon.com/gp/product/B01KT53NH2