SVL01 can record Phone Calls (through RJ connectivity) & Live Conversation (through in-built Microphone).It’s a Plug & Play Recorder (PC Not Required) with 1.5 inches backlit display Screen. It comes with 8 GB SD Card & can records upto 35000 Minutes of Recordings, storage can be up expanded upto 32 GB . It has in-built Speaker to Play Recording from Device itself (No need to download voice files to PC). It has Auto Gain Control & Auto Echo Cancellation which produce crystal clear voice recordings.High powered speaker allows to playback recordings clearly.Built-in sensitive microphone allows you to record voice memo in SVL01 directly.SVL01 displays complete Call Logs details with Call Type, In-Out Numbers, Date, Time & Duration.Recordings can be searched by Date, Time, Number & Duration.If storage gets full, it deletes the previous records to work continuously.Play,Search,Backup & Email the recorded wav files via USB connection to PC or SD card reader.