Johnnie-O Johnnie Boom Men's Speaker Swannies Mainframe variable thickness pattern milled

Mainframe variable thickness pattern milled into the back of the face maximizes COR for more ball speed and distance

We’ve added more offset to help reduce your slice or big miss

A 14g back weight can be positioned in the front for lower spin and maximum workability

allowed us to position more mass deeper in the clubhead

Where other rangefinders can struggle over 175 yards

Johnnie-O Johnnie Boom Men's Speaker Swannies Mainframe variable thickness pattern milledTake your tunes to the beach, the golf course, or wherever the party takes you with the powerful Johnnie Boom portable speaker. This lightweight Bluetooth speaker goes anywhere. With its waterproof design, you can rock out to a signature sound rain or shine. Enjoy up to 12 hours of play time for your favourite music. Stand it vertical or horizontal. Pairs with any Bluetooth device. Features: Connects to any bluetooth enabled phone, laptop, or device