Single Earbud, Wired One Side Headphone with Mic, Remote and Volume Control, One Ear Wearing and Keep the Other Ear Open for Awareness, ChanGeek CGS08

Greyghost Single Earbud, Anti-Radiation FBI Earpiece Mono Clear Earphone, 3.5mm Monaural Hollow Air Tube Wired Headphone, EMF Reducing Headset One Ear Ear Bud with Mic and On Off Answer Switch

Single Earbud, in-Ear One Side Mono Headphone with Mic and in-line Control for iOS Android Phones Tablets, Keep One Ear Open for Awareness, ChanGeek CGS09

Single Earbud Stereo-to-Mono Headphone w/Mic (Black/Silver), Aluminum with Rubberized Ribbon Cable

WEUTOP Single Earbud Stereo Headphone [ 3.3ft ] (Black)

Mono Retractable Premium Sound Handsfree Single Earbud Mic Headset for iPhone 6 6S, Plus, 5S 5C 5, iPad Air Pro Mini - Samsung Galaxy Note 5 4 3 2, Galaxy S7 Edge S6 S5 S4 - All Smartphones, Tablets

XDU Pathfinder + Mic Single Stereo-to-Mono Noise Isolating Earphone, Reinforced Cord

Running Buddy Single Ear SportBud 3'

Linhuipad Single Side Earphone in-Ear Mono Earbuds Disposable Headphone Low Cost Ear Buds for One Ear

Direct Audio Single Ear Bud (Atomic Red)