C20 Smart Watch Manual

C20 new sports smartwatch bt smart bracelet ip67 waterproof 0.96inch C20 smartwatch smart ip67 bracelet 96inch wristband detachable bt waterproof rate heart sports screen

C20 New Sports Smartwatch BT Smart Bracelet IP67 Waterproof 0.96inch

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C20 New Sports Smartwatch BT Smart Bracelet IP67 Waterproof 0.96inch