Fangrui Product Details Features: 1. Zinc Alloy Material, Black Sandblasting, 5d Glass, High Appearance, Beautiful Appearance, With Lanyard Hole.one-key Recording, With Control Line Delete Function, Led Light Playback Indication 2. Automatic Encryption Function: The Recording Data Can Be Encrypted And Stored To Prevent Theft And Use More .timing Recording Function, More Convenient And Quick, Master The Time.it Is A Recording Pen, Which Can Be Used For File Storage And Connection To A Computer For Viewing. 3. Pcm Recording 1536kbps, Additional Recording 50db, Automatic Split Recording, Covering Loop Recording.automatically Save When Power Off, Files Not Be Lost. 4. 35 Hours Of Continuous Recording, 30 Days Of Standby.with Time Stamp, The Name Of The Recording File Is Recalled By Time.support Mp3, Wma, Wav Playback, Support Fast Forward And Rewind Playback 5. Intelligent Voice Control, Built-in Automatic Voice Recognition Function, The Recording Only Be Recorded When The Sound Is Detected, And The Recording Be Automatically Saved