This Jabra earbud is perfect for cell phones and small radios with a 2.5 mm plug. The in-ear only form factor and replaceable ear tips ensure comfort while the built-in microphone and on-cable microphone type provide clear communication. It comes in black and has a 4ft cable length. The Fit & Function model is brand new, and the unit type is a single unit. It is suitable for personal use and is not applicable for wireless technology. The manufacturer warranty is none, and it was made in China in the year 2000.