Poly M40-SM2 alternatives, similar headphones

Beats urBeats Ultra Violet Collection
Specifications

JLab Audio JBuddies Studio
Specifications

JLab Audio JBuds Pro Signature
Specifications

AKG N20 NC
Specifications

AKG N60NC Wireless
Specifications

Urbanears Sumpan The Hooked up Earbud
Specifications

Poly - Plantronics M 60
Specifications

Poly - Plantronics M 40
Specifications

Poly - Plantronics M 40-N1
Specifications

Poly - Plantronics M 60-N1
Specifications

Sony S2 Sports MDR-W25G
Specifications

Skullcandy Jib Wireless
Specifications

Poly EncorePro HW710D
Specifications

Poly EncorePro HW720D
Specifications

Poly SupraPlus SDS 2612-01
Specifications

Poly S12
Specifications

Poly Voyager 5220
Specifications

Poly Voyager 5240/R
Specifications

Poly M40-E1
Specifications

Poly M60-N3
Specifications

Poly M60-SM2
Specifications

Poly M60-SG2
Specifications

Poly M60-SM1
Specifications

Poly M60-N2
Specifications