K88 1.22 inch Screen Display Bluetooth Smart Watch, IP54 Waterproof, Support Pedometer / Heart Rate Monitor / Real-time Weather / WeChat Reminder, Compatible with Android and iOS Phones(Black)
Review: K88 SmartWatch from BangGood - YouTube
K88 Bluetooth Smart Watch with Heart Rate Monitor Fitness Tracker Wearable Device - China Smart Watch and Sport Watch price | Made-in-China.com
RCE - K88 Plus IP68 Blood Pressure Heart Rate Bracelet K88Plus Fitness Tracker Smart Band
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