| Brand | Kospet |
| Model | Tank M4 |
| Device Type | Smartwatch |
| Release Date | 17 October 2025 |
| Status | Available |
| Operating System | Android |
| OS Version | v7.0 |
| Display Type | AMOLED |
| Screen Size | 1.92 inches |
| Resolution | 410x502 px |
| Pixel Density | 331 ppi |
| Height | 50.5 mm |
| Width | 42.5 mm |
| Thickness | 13 mm |
| Weight | 80 grams |
| Colors | Black, Silver |
| Waterproof | Water Resistance: Up to 10 ATM |
| Yes | |
| Text Message | Yes |
| Incoming Call | Yes |
| Alarm | Yes |
| Calendar Reminder | Yes |
| Timer | Yes |
| Weather | Yes |
| Battery type | Li-Ion (Lithium Ion) |
| Capacity | 500 mAh |
| Placement | Non-removable |
| Internal Storage | 32 GB |
| RAM | 16 MB |
| Network | N/A |
| WLAN | No |
| Bluetooth | v5.3 |
| GPS | Yes with A-GPS, Glonass |
| Loudspeaker | Yes |
| Made By | China |
| Features | Geomagnetic Sensor Barometric Altimeter Ambient Light Sensor Temperature Sensor |
