Why can't I see the Data Music in my smartphone bluetooth device list? | GET Data Music

Why can't I see the Data Music in my smartphone bluetooth device list?

If this is the first time you try to discovery Data Music with your phone you have to pair it:
1. press the Data Music side button until the red led starts flashing fast;
2. then search it again with your phone bluetooth;
3. now you will see a device named Data Music, press on it to pair it.

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