OEM Blackberry 8900 8520 9700 9330 Leather Holster Built-in grooves run along the front and back insides of the case to protect the trackball Convenient swivel clip; Rotates vertically, horizontally and to various degrees in between for maximum comfort Proximity-sensing technology. Saves power and maximizes battery life by automatically shutting off the screen Ability to activate different notification settings for phone, email and other applications based on in-holster and out-of-holster profiles Original RIM accessory. Mfr Part # HDW-18960-001