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NUYUAN R3 Smart Ring IP68 Heart rate Blood oxygen Step count
Pixart 2860; Aluminum titanium alloy + stainless steel; BLE 5.1; About 5-7days; QMA6100P; HX3605; Magnet Cable(With SMT Protect IC); IP68; Charging 1A or less
Original price was: $39.99.$29.99Current price is: $29.99.