Product information: Color: gray, pink, blue Package List: 1 x Btalk 3 Pro,1 xusb charging cable, 1 x Box, 1 x User Manual Applicable people: Adults Battery capacity: 260mAh Operation mode: touch button Screen Type: AMOLED Product Size: 45.2x 46.6 x 10.3mm Functions: heart rate monitoring, Bluetooth calling, blood oxygen detection
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