Screen size resolution:2.08 inch 240*296-TFT
Waterproof level: IP67
APP: WearFit 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
The motor: YES
The encoder: YES
Function keys: YES
Charging interface mode: wireless charger cable