Costa Del Mar Gannet Shiny Black/Hibiscus Frame - Gray 580 Plastic Lens - Polarized Sunglasses RADIO On the back of the

On the back of the case is a small

powered by a 1000mAh rechargeable Li-ion battery

Signature antique brass hardware

Triple XD engine: Yes

Costa Del Mar Gannet Shiny Black/Hibiscus Frame - Gray 580 Plastic Lens - Polarized Sunglasses RADIO On the back of theStyle: GNT 132 OGP The big and beautiful Gannet is a sea bird that bravely takes a flight of over 1,800 miles from New Zealand to Australia. Costa hopes that's just the inspiration you need to set out on your own journey with these regular fit sunglasses featuring Hydrolite nose pads and water drop shaped epoxy fill at the temple tips. Set out in style and comfort when you launch your trip across the water. Product Details: Frame Color: Shiny Black