From Amazon
Maono AU-200 Lavalier Tie-Clip On Lapel Microphone Dual Head Electret Condenser Omnidirectional 3.5mm 4 Pole Jack
Gear 4 Music
Maono AU-200 Dual Lavalier 3.5mm Microphone Omnidirectional 6m cable
Maplin
Maono Dual 3.5mm Electret Condenser Omnidirectional Lavalier Microphone
OnBuy
Maono Lavalier Tie-Clip On Lapel Microphone Dual Head 3.5mm 4 Pole Jack 0.25" Adapter