Sprint Samsung Exclaim M550 phone WORK WITH BOOST MOBILE Stylish, Dual-sliding Form Conceals Both A Full QWERTY Keyboard and A Numeric Keypad Stereo Bluetooth-enabled For A High-quality, Wireless Listening Experience Expand Memory Up To 32 GB To Record Longer Video Clips and Store More Photos A Great Social Networking Phone: One Click Access To MySpace and Facebook Supports Corporate (Outlook & Lotus) and Personal Mobile Web Email Accounts (POP3/IMAP)