| Style | Smart wristband for Temperature |
| Screen Size | 0.96 Color screen 80*160 TFT |
| Master Chip | RLC8752 |
| Heart rate tracker PPG | Everlight Electronics |
| body temperature | Temperature Sensor |
| Bluetooth | 4.2BLE（Low power） |
| Charge | Magneto-suction Charging |
| Button | Touch button operation |
| Case Top Cover | PC |
| Case Bottom Cover | ABS+PC |
| Strap | TPE |
| battery | 90mAh |
| Work Time | 5-10 days |
| Standby Time | 20-30 days |
M4S best budget fitness tracker
Description
