It was marketed as an outdoor device, hence it is in a rubber casing that provides protection against humidity, shocks and dust. It has some special functions like thermometer, flashlight, calorie counter and loudness meter (dB). It also has a stereo FM radio built in and is Tri-Band with up to 300 hours standby time.
The model type is NPM-6 and it is available in light blue (picture), dark grey, green and orange. It has Xpress-on shells which can be changed.