C20 Smart Watch Manual

C20 new sports smartwatch bt smart bracelet ip67 waterproof 0.96inch Smartwatch c20 smart ip67 bracelet 96inch detachable wristband waterproof bt 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