ProScan PBTW278 - Product Details and Setup; Product Overview; Wrist Strap Installation

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2.Product details:
2.1. Product overview:
(1). Bracelet body
(2). Long wristbands
(3). Short wristbands
(4). Display screen
(5). Touch keys
(6). USB Charging connector
(7). Heart rate sensor
2.2.Wrist strap installation
Align the concave part of the end of the short wrist band with one end of