Shopping from Canada? 
Go to Defender Canada!
Description
Combination type earphones that can be connected to a microphone. Can be fixed without using earplugs, ideal for sharing with multiple people Specifications: Earphone Type: Inner ear Plug Diameter: Φ2.5 mm Impedance: 32 Ω Cable Length (when curled): 560 mm
Icom Hook Earphone - SP28 Item # 1142154
Description
Combination type earphones that can be connected to a microphone. Can be fixed without using earplugs, ideal for sharing with multiple people
Specifications:
- Earphone Type: Inner ear
- Plug Diameter: Φ2.5 mm
- Impedance: 32 Ω
- Cable Length (when curled): 560 mm