Tri-Specs Zeiss Lens Bluetooth Sunglasses w/Built-in MP3

Several years ago companies decided to give sunglasses more to do than just protecting your eyes by integrating MP3 capabilities. Tri-Specs is one such company that has developed sunglasses with these added features. Their sunglasses can be connected to various phones and MP3 players through Bluetooth 2.1 which allows the glasses to control the device.