Specification: mp3! Recording format: Wav Recording bit rate: 192 kbps Power supply: 3.7v 110mah Can be used as an ordinary u disk! Continuous recording: 10 hours Product parameters: Pen recorder / Record alone! Mp3 function: Support / U disk function: Support The machine itself has no memory; you need to insert a tf card to use it Packing list: Voice recorder*1 / Usb data cable*1
