Sia Ultra Watch S – Black

Memory:RAM: 256KB,ROM:2MB Flash:128M
Heart rate/SPo2: LC11S
Waterproof: IP67
Compatible system: Android 5.0 or IOS9.0 and above
Screen size and type: 2.01 inch AMOLED 240*296
BT: BT 5.3
Battery capacity: 260mAh
Charging way: Magnetic
Charging time: About 2 hours
Battery life: About 5-7days of using, 20 days of standby