Compatible with transcribers requiring a single 3.5 mm mono jack such as SONY, Lanier, DVI, RTAS, Olympus, Panasonic and Sanyo. Hinged stethoscope, tubular style with white plastic ear tips using a single 3.5 mm right angle mono jack. Is your headset cord not long enough? Check out our ECS-UMSVC Mono/Stereo Extender Cable with adjustable volume control which will allow you to use any 3.5 mm mono or stereo headset plug into any 3.5 mm mono or stereo headset jack. Cord length is 5 ft. Compatible with: DAC DP-116 Digital Desktop Transcription Station MedQuist Lanier Advocate V LCR-5 Conference Court Standard Cassette Recording System MedQuist Lanier LCR-2 Court Standard Cassette Recording System MedQuist Lanier LCR-V Court Standard Cassette Recording System MedQuist Lanier LX-218-1 Digital Desktop Dictation Transcription Station MedQuist Lanier LX-219-1 Digital Desktop Dictation Transcription Station MedQuist Lanier LX-230 Digital Desktop Dictation Transcription Station MedQuist Lanier P-78T Desktop Standard Cassette Transcriber MedQuist Lanier P-100 Desktop Micro Cassette Dictator Transcriber MedQuist Lanier P-101 Desktop Micro Cassette Dictator Transcriber MedQuist Lanier P-109 Desktop Standard Cassette Dictator Transcriber MedQuist Lanier P-126 Desktop Micro Cassette Dictator Transcriber MedQuist Lanier P-127 Desktop Micro Cassette Dictator Transcriber MedQuist Lanier P-128 Desktop Micro Cassette Dictator Transcriber MedQuist Lanier P-129 Desktop Standard Cassette Dictator Transcriber MedQuist Lanier P-139 Desktop Standard Cassette Dictator Transcriber MedQuist Lanier P-140 Desktop Standard Cassette Dictator Transcriber MedQuist Lanier P-141 Desktop Micro Cassette Dictator Transcriber MedQuist Lanier P-142 Desktop Micro Cassette Dictator Transcriber