125khz LF TK4100 bluetooth silicone RFID wristband pedometer
Item:125khz LF TK4100 bluetooth silicone RFID wristband pedometer. Chuangxinjia TK4100 bluetooth silicone rfid wristband pedometer also name as rfid wristband pedometer, 13.56mhz pedometer watch or 13.56 RFID pedometer watch is a multi-functional wristband for exercise. It is embedded with RFID NFC chip so can be used for Access Control …
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