Smart watch
1. Screen: 1.28 inch IPS touch screen 240x240
2. Bluetooth version: 5.0
3. Chip: SYD8821
4. Functions: Heart rate, blood pressure, blood oxygen monitoring
5. Dial material: zinc alloy + plastic
Bluetooth earphone
1. TWS chip: Realtech RTL8753BFE
2. Bluetooth version: 5.1
3. Battery: 30mAh, 4 hours music time, 1-1.5 hours charging time
4. Speaker: 6mm