Cubot C21
Platform
| OS | Proprietary OS |
Memory
| Internal | 128MB |
| Card slot | No |
Display
| Protection | Corning Gorilla Glass |
| Resolution | 360 x 360 pixels (~386 ppi density) |
| Size | 1.32 inches |
| Type | TFT LCD |
Body
IP68 dust/water resistant (up to 1.5m for 30 min) | |
| SIM | No |
| Build | Zinc alloy frame |
| Weight | - |
| Dimensions | 46.5 x 46.5 x 13 mm (1.83 x 1.83 x 0.51 in) |
Battery
| Type | 300 mAh, non-removable |
Sound
| 3.5mm jack | No |
| Loudspeaker | No |
Features
| Sensors | Accelerometer, heart rate, SpO2, blood pressure |
Misc
| Price | |
| Colors | Black, Silver |
Comms
| USB | No |
| Radio | No |
| NFC | No |
| Positioning | No |
| Bluetooth | 5.0, A2DP |
| WLAN | No |
Camera
No |
Launch
| Status | Available. Released 2023, November |
| Announced | 2023, November |
Network
| EDGE | No |
| GPRS | No |
| Speed | No |
| 4G bands | N/A |
| 3G bands | N/A |
| 2G bands | N/A |
| Technology |