ClearOne Chat 50 Personal Speakerphone The Chat 50 can also replace headphones and headsets that can quickly become uncomfortable, restrict movement and tether the user to the device. This model only includes Chat 50, USB cable, 2.5mm-3.5mm cell phone & telephone audio cable, power supply, international power clips, MP3 player cable, travel case, quick start guide, CD. Mobile phones, for hands-free, full-duplex conversations.