Green Lion Tech Master Smart Watch Black

-Compass,Heart Rate,Blood Oxygen,Activity Tracker and etc.
-Battery Capacity: 400mAh Lithium Polymer
-Screen Resolution: 466 × 466 (AMOLED)
-Water Resistance Level: IP67
-Screen Size: 1.43″ AMOLED
-Bluetooth: BT 3.0 + BLE 5.3
-Standby Time: 8-10 days
-Working Time: 3-5 days
-ROM: 128MB + 1GB
-Navigation Support
-RAM: 128MB
-NFC Support
-Built-in Music