Olympus Telephoto Tough Lens Pack V321180BW020 B&H Photo Video
Underwater Housing for Olympus Tough TG-3 TG-4
Intelligent Dual Purpose DC Vehicle and AC Home Wall Charger suitable for the Olympus Tough TG-4 - Two critical functions, one unique charger - Uses Gomadic Brand TipExchange Technology
Olympus Tough TG-4: Digital Photography Review
Amazon.com : Accessory Kit for Olympus TG-4 and TG-5 Camera 2X Batteries, Charger, 32GB Memory Card, Float Strap Accessory Bundle : Electronics