Digital Voice Recorder - Willful 2 in 1 8GB Mp3 Music Player & Voice Recorder,Small USB Rechargeable Dictaphone Voice Recorder Pen with Playback Black 360 degrees Low-Noise Microphone For Clear Recording,Portable mini size:3.25x1.37x0.5 inch 8GB built-in memory,7 EQ (Equalizer) modes, A-B repeat function,Different languages, Delete function, USB connection for uploads and downloads. Feature MP3 player and 3D sound speaker,you can check the recorded files anytime Built-in rechargeable lithium battery,Up to 20 hour continuous recording, Up to 13 hour continuous playback. Come with telephone recording connection kit to record the telephone conversation