With a great intuitive design you'll capture all the audio you want!<br>This 4GB USB Sound Control Digital Voice Recorder with MP3/Tel Recorder Function CL-R30 Black is powerful and functional enough to facilitate your life. The digital voice recorder allows you to record detailed conversations even though the phone conversations conveniently rather than rely on your memory or handwriting to recall them. Boasting long playback time up to more than ten hours， it supports WAV format mainly. With built-in voice-activated recording， this unit only records when sound is present， so you won't be stuck screening through hours of dead air. We offer a variety of voice recorders with different memory space and three general recording modes of LP/SP/HQ to meet the needs of most people.                                    Features                4GB USB Sound Control Digital Voice Recorder with MP3/Tel Recorder Function CL-R30 Black    Digital Voice Recorder is in new condition<br>    Built - in flash memory<br>    Supports music playing function<br>    Long time voice recording<br>    Mass storage USB high speed<br>    Four recording modes<br>    Built - in rechargeable battery<br>    CL-R30 Digital Voice Recorder Dedicated Charger    It is made of high quality and durable material<br>    Lightweight， compact and easy to carry<br>    Portable and easy to use<br>    The charger is in good working condition<br>    Suitable fo CL - R30 recording pen<br>                                                            Specifications            4GB USB Sound Control Digital Voice Recorder with MP3/Tel Recorder Function CL-R30 BlackMemory Capacity    4GB    <br>LCD Display    1.1"    <br>Working Time    Recording: 20 hours， broadcast: 13 hours (plug headphone to listen)    <br>Recording Format    MP3， WMA    <br>Frequency    20Hz - 20KHz    <br>USB Cable    PC interface USB 1.1 / USB2.O    <br>SNR    80db    <br>Operating Temperature    0℃~ 40℃    Color    Black    <br>Dimensions    1.37" x 0.47" x 3.14" (L x W x H)    <br>Weight    108g / 3.81oz    <br>CL-R30 Digital Voice Recorder Dedicated ChargerInput Voltage    AC 100 ~ 220 V 50 / 60 Hz 150mA    <br>Charging Voltage    DC 5V± 500 mA    <br>Material    Mixed material    <br>Dimension    55 x 45 x 23 mm / 2.16" x 1.77" x 0.90" (L x W x H)    <br>Weight    28g / 0.99oz    <br>Color    Black    <br>                                                            Package Includes                1 x 4GB USB Sound Control Digital Voice Recorder with MP3 / Tel Recorder Function CL - R30 Black<br>    1 x USB Cable<br>    1 x External Microphone<br>    1 x HI - fi Earphone<br>    1 x Recording Cable<br>    1 x Phone Line <br>1 x CL - R30 Digital Voice Recorder Dedicated Charger<br>