Multi-frequency detection flexibility. Includes 6″ x 11″ DD Viper searchcoil and Garrett MS-3 Z-Lynk wireless headphones.  Garrett’s Multi-Flex technology, fueled by a cutting edge, broad-bandwidth digital platform, simply gives you more versatility with the Apex than can be found on any detector in its price range! | Garrett | | Ace Apex with 6x11 Viper Coil and Wireless Headphones | Best Buy