YK03 smartwatch Bluetooth call flashlight sports waterproof heart rate blood oxygen health monitoring
${$39.74{amount}}
System requirements: Android 6.0 and above, iOS 10.0 and above, support Bluetooth 5.3
Bluetooth version: BLE 5.3 (low power consumption)
Bracelet memory: RAM_578KB+ROM_64Mb
Battery capacity: 300mAh_
Standby time: about 35 days
