JimTab 4GB Wireless Bluetooth Voice Recorder,Mobile Phone Automatic Call Voice Audio Recorder As Dictaphone Mp3 Player External Microphone Recorder for Meeting Classroom Record or Dr Appointments Wireless bluetooth cellphone voice recorder function can easily connect with your iphone and record every call,Call back and answer the phone Use as mp3 player,external microphone recorder,LCD screen operation One button noise reduction,The longest record 283 hours Voice activate,Automatically record every conversations without any manual effort 31 level Voice Activated Recording (VOS/VAR),Support mp3 and wma format output