Devices with MAC addresses that start with 00-07-52 were manufactured by Rhythm Watch Co., Ltd.

Device Manufacturer
Rhythm Watch Co., Ltd.
Manufacturer Location
321 Shinshukushinden, Showa-Machi,
344-0196
Estimated Devices using 00-07-52
16,256,250
Estimated Total Devices From Mfg
16,256,250
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