BlackBerry HS-655+ Bluetooth for BlackBerry Curve 8300 / 8310 / 8320 / 8330 Smartphone PDA (Retail Packaging) Sleek, stylish design for discreet connectivity. QuickPair Technology for fast and easy pairing with Bluetooth devices. AudioIQ technology improves the experience on both ends of the call Digital Signal Processing for crystal clear sound Ultra-light and comfortable at only 9 grams