M3 SL10K Series User Manual page 36

Caution when sharing data
While sharing data, the distance between devices should be less than 3 cm.
When transferring data between devices, they do not need to be close. It is
recommended to keep the distance between devices within 10 m.
Connecting to the NFC Chip / Tag Card
1. Hold M3 SL10K as shown below. Do not cover the antenna area of a battery cover
with your hands.
2. Place M3 SL10K near NFC chip or tag card until data transfer is completed.
(Generally, data is displayed in the application.)
Connecting to a Bluetooth Device with the NFC Feature
1. Hold M3 SL10K as shown below. Do not cover the antenna area of a battery cover
your hands.
with
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