This rugged Android phone updates the previous Commando with ... and compatibility with Bluetooth 4.0 smart watches including a rugged Casio G-Shock. Other features include rugged, waterproof ...

such as digital TV tuners and mobile payment systems. One of the earliest waterproof feature phones, Casio's Canu 502S (also known as the G'zOne), was released in 2005. This phone marked the ...