Motorola P/N: NNTN4454
    Great clear audio quality combines with the convenience of an ultra compact hands free earbud headset adapter.
    Designed to fit all ears. Ear bud headset has a padded foam ear-piece for clear sound.
    Also has a miniature clip to keep the cord in place. Industry standard of 2.5mm headset jack. 

   Transparent Blue Color

Simply plug the headset   into the phone's 2.5mm jack, and start talking. An in-cord microphone hangs just below the chin, picking up your conversation loud and clear. The   single earbud rests lightly in the ear, and shirt clip on the cord lets you attach the the headset to your pocket or collar, keeping it firmly in place to  avoid tangles. With Motorola's Hands-Free Headset, you have the freedom to communicate while performing other activities. This headset offers a comfortable earbud and high quality audio at a low cost. Ideal for private, hands-free conversations.

  Compatible with: all Motorola headset-compatible wireless and cordless phones,
non-Motorola phones and products that support a 2.5mm headset jack. Motorola OEM Universal 2.5mm Headset is an OEM cell phone accessory that is made by Motorola.