The Q56 cassette tape is a disguised/novelty voice activated sound recorder and wireless FM transmitter. Battery lasts 80+ hours on constant record operating for 3-4 days non stop. High quality audio bit rate 256kbps and @48kHz sample rate. Recorder creates 5 hour long audio files. A quality audio recorder with voice activated mode and short range FM transmitter. Connect telescopic antenna to switch on transmitter and monitor audio on FM radio frequency (89mHz) up to 100m distance. Simple to operate single touch record, slide action switch to start normal / voice activated recording.