Core Product Features 1. No SIM Card Design, Stable Independent Operation Featuring a SIM-card-free design, the watch gets rid of the dependence on cellular network and physical SIM cards. Users do not need to insert any SIM card to activate core functions such as GPS positioning, sensor detection, and data recording. This design effectively avoids signal instability, card slot failure and extra communication fees caused by SIM card problems. The watch can independently
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