The Best Products NOT Made in China | notochina.org

Plantronics Poly Blackwire 3320
PC headset with microphone USB connection to PC/Mac --
P/N 213934-01
Made in Mexico (according to package label)

https://www.amazon.com/Plantronics-3320-Blackwire-USB-A/dp/B082BFZHM4?ref_=ast_sto_dp&th=1

Other Plantronics headsets are also listed on Amazon as Made in Mexico.

Logitech H390 USB Computer Headset Off-White
Made in Vietnam according to outer package

On the other hand, Beyerdynamic claims to manufacture their products in Germany but the MMX 100 is made in china.