Poly Blackwire C720 alternatives, similar headphones

Sennheiser MM 30G
Specifications

STREETZ HL-218
Specifications

STREETZ HL-220
Specifications

STREETZ HL-95
Specifications

Logitech Dialog 811
Specifications

QTX Sound SH30
Specifications

Razer Adaro DJ
Specifications

Skullcandy Heavy Medal
Specifications

iDance SDJ 550
Specifications

Manhattan Fathom
Specifications

Marshall Major FX
Specifications

Go-Rock MiniB Bluetooth Headset TRMH01SB
Specifications

Poly Blackwire C325
Specifications

Poly Savi W745-M
Specifications

Poly Savi W445-M
Specifications

Poly Savi W445
Specifications

Poly Voyager PRO UC WG200/B
Specifications

Poly Savi W430A
Specifications

Poly Blackwire
Specifications

Poly Savi W440-M
Specifications

Poly M90/R
Specifications

Poly C565
Specifications

Poly CS 510
Specifications

Poly EncorePro HW510
Specifications