Most earphones with 45mm Sennheiser PX100, PX 80, PC 3 / PC 8 / PC5 / Chat / Chat 8, PMX 60, PMX 90, PX 95, Sony MDR-G45LP, Dell BH200, Philips SHS390
Most earphones with 50mm in diameter Plantronics H51, H51N, H61, H61N, H91, H91N, H101, H101N, SP04, SP05, Supra, Plantronics Encore, PLX500, and SP Spirit headsets and most standard size office headsets
Most earphones with 55mm in diameter Logitech-H340,Sennheiser-PX 95, PMX 60, Sony-MDR-G45LP, MDR-G55LP, MDR-G410LP, MDR-G101LP, MDRG42LP, DR-220DPV, MDR-IF140, Nokia-BH-503, Panasonic-RP-HT010, XBS, Aiwa-Hp-M009, Philips-SBH4000
Most earphones with 60mm in diameter, Sony-MDR-G74SL Street Style, MDR-IF240R, MDR-15, MDR-NC6, MDR-NC5, MDR-210, MDR-G45LP, MDR-G42, MDR-201, MDR-027, MDR-023, MDR-101, SRF-HM33, SRF-H4 walkman/ Plantronics Blackwire 510, PLNAUDIO478 Stereo USB Headset/ Logitech G330, G340, H600/ Koss CS-95 headset, CS100 headset/ Coby CV-230 headphones/ FreeTalk 5091 headphones
Universal earphones with 13mm-18mm in diameter, including Apple iPod Earphones, Apple Earphones with Remote and Mic.Most earphones/handsfree (with 13mm-18mm in diameter) for mobile phones.Similar earphones/handsfree from Nokia/Samsung/HTC/LG/RIM/Motorola, Ericsson, HP, etc.Similar earphones from Sony, Philips, Audio-Technica, Panasonic, AKG, Cresyn, etc.Sennheiser MX 300, MX 350, MX 400, MX 450, MX 500, MX 550, and other similar earphones.Apple iPhone Stereo Headset.