Amzer Rubberized Holster with Belt Clip for BlackBerry Curve 8520, BlackBerry Curve 8530 Durable, lightweight swivel rubberized plastic holster provides maximum comfort and flexibility. High-impact rubberized plastic holster is designed specifically for your BlackBerry Curve 8520/ Curve 8530. Interior is lined with smooth, ebony velvet keeping your BlackBerry 8520/ 8530 display as flawless as the day you got it. The spring belt clip locks into position at different points for added convenience and versatility. Supports sleeper function which will maximize battery life, since the backlight will automatically shut off.