Not enough space for an proper antenna and the battery requirements wouldn’t work plus the thermals the thing would kick off would burn your ear.
The transmission power requirements between Bluetooth and cellular is measured in magnitudes, 3-4 times the power.
The cellular modem and antenna could be fit into the charging case of earbuds but the battery life would still be terrible since most of the case is taken up by the space needed for the ear buds.
Yeah. That’s too small.
Not enough space for an proper antenna and the battery requirements wouldn’t work plus the thermals the thing would kick off would burn your ear.
The transmission power requirements between Bluetooth and cellular is measured in magnitudes, 3-4 times the power.
The cellular modem and antenna could be fit into the charging case of earbuds but the battery life would still be terrible since most of the case is taken up by the space needed for the ear buds.