X8 Ultra Smartwatch 49MM with Bluetooth Calling

Screen size: 2.08nch
Waterproof level: IP67
APP: Wear Fit pro
System requirements: Android5.0+ / ios10.0+
The main chip:HS6621-PG
Memory: 128MB
Bluetooth phone:AB5376A2
Bluetooth version:5.2
Battery capacity:300mah
Loudspeaker: YES
Charging interface mode: wireless charger cable