8G Memory - With 8GB memory, this keychain voice recorder has great capacity and is easy to transfer.Phone Call Recording - After connecting the voice recorder to a phone through a phone adapter, it will record communications without stuck or cut.4 Recording Modes - " SP" mode for recording high quality voice without distortion; " LP" mode for long time recording; " SP VOICE" mode enables it to record high quality voice under sound control; " LP VOICE" mode makes it capable of long time recordingAuto Recording - With VOR system, the mini audio recorder will automatically record when sensing voices and pause without sound.Multi-language - When sensing different languages, it will adjust to specific mode to record higher quality voice files.