With MP3 and WAV format; High quality microphone, clear sound; Can record phone via connecting connection box; Supports sound controlled recording: auto recording if there is sound, or auto pause; Support external speaker playing; Supports cycle playing and sound effect choosing; With USB flash drive function, great for downloading and uploading; Auto keep data file; Supports one-key recording; Supports repeat; Supports language: Simplified Chinese / Traditional Chinese / English / Japanese / Chinese / French / German / Italian / Dutch / Portuguese / Spanish / Swedish / Czech / Danish / Polish / Russian / Turkish / Hebrew / Thai / Hungarian / Romanian / Arabic / Greek / Indonesian