I bought it and used it for less than a week, so it’s fairly new still in original box, comes with all wires and microphone and phone cable but no adapter/wall charger.
Includes: 1 standard 2.5mm headset jack.
* Noise cancelling headset for cell phones, office phones, landlines, computer dictation and VOIP. Over-the-head design with two leatherette padded speakers.
* Units come with 3.5mm to 3.5mm cable. For devices without 3.5mm audio jack user will need 3.5mm to lightning adaptor or 3.5mm to USB-C adaptor.
* Features
* Boosts your voice and suppresses background noise.
* Universal audio connector allows you to connect to almost any cell phone using one of many adapters.
* Can be used with a PC / laptop with our PC adapter (sold separately)
* *Freedom to communicate anywhere!
* Even in the noisiest environment, theBoom Pro2 patented noise cancelling technology delivers clear speech. You can have that important conversation no matter where you are.
* - Cars / Convertibles
* - Office space
* - Construction sites
* - Home/Home Office
* - Call centers
* - Airports
* - Commuting
* - Mobile professionals
* - Speech recognition
* *Privacy even in a crowd!
* With theBoom "O", you will be heard loud and clear even at a whisper. Since there's no need to speak over surrounding noise, you can keep your conversations private and avoid disturbing people around you.
* -mobile phone
* -in public transportation (trains and buses)
* -in the ball park, race track, concert
* -in the office or home
* -landline phone in the office / home
* -cordless phones
* -using 2.5mm headset jack
* -using Plantronics amplifier
* -using headset/handset switch
* -computer
* -use with your favorite voice recognition software for dictation
* -communicate using Voip
* -listen to music from a cd or mp3 player(mono)