This follow-up to the Boulder steps up to a 2-megapixel camera and adds a 2.5mm headset jack, pedometer, and thermometer. Other features of this CDMA phone are similar, including push-to-talk, rugged water-proof clamshell design, compass, memory card slot, and stereo Bluetooth.
Phone Specifications| Camera | Connectivity | Data | Display | Input | Messaging | Multimedia |
| 2.0 MP | Bluetooth | A-Gps | Color | Predictive Text | Email | Music Player |
| Camera Flash | USB | EVDO | External Display | Side Keys | Instant Messenging | Video |
| Video Camera | | Flight Mode | | | MMS | |
| | LBS GPS | | | Text Messaging | |
| | WAP | | | | |
| Operating System | Sound | Storage Card | Technology | Type |
| BREW | 2.5 mm Headphone Slot | MicroSD | CDMA | Flip Phone |
| Camera Flash | Hands Free Slot | EVDO | External Display | Military Specification |
| Video Camera | Hearing Aid Compatible | Flight Mode | | |
| Push-to-Talk | LBS GPS | | |
| Speakerphone | WAP | | |
| Voice-Activated Dialing | | | |
The Casio G’zone Rock is a flip phone that passed the Military Spec. 810F for water, shock & dust resistance, Immersion, vibration, salt fog, humidity solar radiation, altitude, low and high temperature storage. It has a slim built which is good for grip and can easily fit any pocket. This phone supports email, EMS, instant messaging, MMS and text messaging. You can also browse the web using the WAP. The Rock has a 2-megapixel camera with a flash for a better quality picture and video recording. Added features like the pedometer and thermometer can only be found in G’zone Rock. You can also the external display screen to check the time, date and battery and signal strength. It still has the old features like Push-to-Talk, speakerphone, hearing aid compatible and voice-activated dialing. Buy a micro SD card for extra memory for more pictures and videos.