Builtin grooves constructed of hard plastic run along front back inside of case to protect trackball Brand new original BlackBerry pouch case.Custom made to fit your phone perfectly Proximity-Sensing Technology Saves Power, Maximize Battery Life by Automatically Shutting off screen Color: Black Model number: HDW-23466-001 RIM BLACKBERRY PHONE IS NOT INCLUDED Magnetized proximity-sensing technology.Multi-rotational RIM Swivel Clip Advanced locking mechanism securely holds phone in place. Protect your cell phone from scratches by keeping it safe on hand.