Get a USB drive that gives you two recording modes: you have the option of recording 24 hours continuously, or up to 25 days in voice-activated mode. The device displays the time and date and records sounds in MP3 format.
WARNING: Voice recorders sold on this website should not be used to illegally intercept conversations. Certain restrictions may apply when purchasing this type of product. Spytronic strongly suggests confirming the legality of using this recorder with an attorney. These voice recorders can only be used for legal purposes. This results from the use by the buyer of compliance with the applicable laws of his country concerning these products and not disobeying, in any case, the law in effect.