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

Figure 2

Positions of the earbud antennas marked with red ellipse: (a) Beoplay E8 2.0; (b) Earin M2; (c) Bose soundsport free; (d) Apple airpods 2; (e) Beoplay E8 3rd gen.

(a)

(b)

(c)

(d)

(e)