Over-the-Air Evaluation of User Body Loss for Popular In-Ear Bluetooth Earbuds

Table 1

Measured TRP of the right-side earbuds in free space.

Earbud	TRP (dBm)		(dB)
	2.406 GHz	2.476 GHz
Beoplay E8 2.0	−7.2	−6.5	0.7
Earin M2	−2.5	−5.6	2.9
Bose soundsport free	−1.2	2.3	1.1
Apple airpods 2	−1.0	2.3	1.3
Beoplay E8 3rd gen	−2.6	2.7	0.1