1-BUD Mobile Right single-ear stereo smartphone-compatible earbud (for right ear)

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1-BUD Mobile Right Single-Ear Stereo Earbud • Model MEP-201MR

Smartphone-Compatible Earbud for the RIGHT EAR

  • Wired headset earphone is compatible with smart phones, cellular phones and audio equipment that accept a 3.5mm (1/8) audio plug
  • Works with Apple iPhone 6 and earlier models
  • Apple 7 and newer models require use of a Lightning to 3.5mm Adapter
  • 3.5mm (1/8-inch) gold-plated TRRS 4-conductor slim-straight plug is wired according to the CTIA standards
  • Built-in microphone and push-button switch enables users to answer and make phone calls
    NOTE: The push-button may be disabled when using the Apple 3.5mm-to-Lightning audio adapter
  • This earphone use our patented 1-BUD® Technology, mixing the left and right audio channels so you can hear all the stereo audio in a single right ear facing earpiece
  • Excellent option is ideal for those with hearing in only one ear or those who wish to hear audio from only one earpiece

CLICK HERE to view/download the MEP-201MR sales literature

1-BUD Mobile Right Single-Ear Stereo Smartphone-Compatible Earbud (for RIGHT EAR) • Part No. MEP-201MR

  • Earbud is designed to comfortably fit into the right ear
  • The angled silicone rubber eartip serves a dual purpose; The suction cup like fit helps to block out noise and the angled fit helps to naturally hold the earpiece comfortably in your ear
  • Great solution for those who enjoy music and desire the ability to conduct hands-free smart phone communication using an in-line microphone
  • Gold-plated 4-conductor, 3.5mm male plug is designed to provide crystal clear, static-free audio
  • Durable cord has an inline control unit with a built-in microphone and push-button switch
  • Our patented 1-BUD technology mixes the stereo sound from both left and right audio channels together to hear all the audio in a single earpiece
  • Complies with requirements for driving while using a single-ear hands-free headset, allowing drivers to safely communicate or listen to audio
  • Unlike wireless earphones with built-in transmitters, our wired earphone headset does not produce any ionizing RF radiation or radiation to the brain
  • Convenient in-line microphone and push-button switch enables users to take and make phone calls and pause or play iTunes Music on their cell phone
  • The push-button switch and microphone are located close to your neck area giving you easy access to control the pause and play features and communicate clearly with others over your cell phone
  • Enjoy listening to music or your favorite podcasts with exceptional audio clarity while driving with a single earphone that allows you to keep one ear open to safely maintain contact with nearby pedestrians and traffic
  • This earphone comfortably fits into the right ear and enables users to easily listen to music for extended periods
  • Earphone can be used with virtually any audio equipment no matter whether the devices are stereo or mono sound
  • You'll enjoy sound like you've never heard it before, with a surprising range of deep bass, mid, and high-frequency stereo quality sound
  • The earphone was designed by Barry Leeper, a Biomedical Engineer and audio enthusiast
  • The slim-style plug barrel fits through the narrow openings of most exterior phone cases
  • Earphone earpiece comes with a medium sized silicone rubber eartip and the package includes 1 small and 1 large size eartip so the earphone comfort and fit can be customized for all ear sizes
  • Earphone also comes with a high-quality zippered carrying case that has a really nice, spring-loaded clip for attachment to a belt-loop or back-pack


  • Compatible with Apple iPhone 7 (and higher) using the 3.5mm-to-lightning-adapter to enjoy music and make phone calls. Just plug the earphone into the lightning adapter, and then plug the lightning adapter into the phone so it activates the earphone's in-line microphone. Keep in mind that the lightning adapter does not enable the earphone's inline push-button to control the iPhone. 
  • Many users purchase the MEP-201MR headset for use with game players that accept CTIA standard headset plug
  • Compatible with tablets, game players, gaming systems, CD and DVD Players, MP3 Players, TV sets, radios and most all portable electronic devices
  • Compatible with most all MP3 players, including the Apple iPod model and those made by Philips, Microsoft, Sony, Creative, Sansa, Samsung, Sansa, Audiovox, Gateway, JVC, Memorex, PNY, Fiio, Coby, Lexar and PNY
  • 4-conductor plug is wired to work with smartphones and other devices that accept the Apple iPhone standard earphone which conforms to the CTIA and American Headset Jack (AHJ) TRRS plug connection standards
  • Designed for operation with Apple wired iPhone models, and works well with most Android cellular phones, including Motorola Droid, Samsung Galaxy 5, Blackberry, HTC, Thunderbolt, all kinds of tablets such as the Galaxy Tab, Sony Xperia, Google Nexus, Google Pixel, Toshiba Excite, Lenovo Thinkpad, LG G Pad, Nvidia Shield, Acer Switch, Asus MeMo, Kindle Fire, Kindle Touch, iPad Air 2, iPad Mini, Lenovo, Dell, Microsoft Surface, HP Slatebook, Razer Edge, Lenovo IdeaTab and most all devices that accept a standard 3.5mm (1/8 inch) male plug
  • It is compatible with most smartphones that have an audio jack, including these iPhone models: 3G, 3GS, 4, 4s, 5, 5c, 5s, SE, 6, 6+, 6s, 6s+
    • Not compatible with the early Samsung, Nokia and Sony Erikson cell phones and other OTMP configured jacks
    • Apple iPhone 7, iPhone 10, iPhone 11 models and higher require the addition of a 3.5mm-to-lightning-adapter

Design Information:

  • This earphone is designed with a 4-conductor plug, and that 4th conductor carries the audio from the built-in microphone
  • The earphone has an inline microphone that can be used on all Apple iPhone models, however Apple eliminated the 3.5mm jack on the newer iPhones (iPhone 7 and newer) and they made an adapter available (3.5mm-to-lightning-adapter) that will enable the MEP-201ML headset earphone's inline microphone to function normally with the iPhone modesl that do not have a 3.5mm audio jack
  • This MEP-201MR headset comes with a cord clip that can be attached to clothing so you can position the microphone/push-button where it is optimal for communications and it also helps to manage the cord and keep it in place when you are actively moving around
  • The silicone rubber earbud eartips can be removed and replaced – The earphone comes with one medium size eartip on the earphone. A small bag contains 1 large and 1 small eartip, so you can adjust the size and fit for optimal comfort and the ideal fit for every ear size
  • The 1-BUD single stereo earbud was designed to mix the two stereo channels so that all the audio would be heard in a single earpiece.
  • The 1-BUD is an excellent solution for single-sided deafness, unilateral hearing loss and partial hearing loss makes it possible to hear the two channels of stereo sound in one earpiece
  • iPhone headset is beneficial for those who have a loss of hearing in one ear, single-sided deafness, unilateral hearing loss, tinnitus or other types of hearing related issues, because the earphone mixes left and right audio channels into one earbud to be heard in the individual's one good ear
  • The 1-BUD earphone makes a great gift for any person who is facing deafness in one ear, an acoustic neuroma or any issue which may lead to partial hearing loss. We have had so many grateful recipients of the 1-BUD earphones given as gifts over the years, and many were brought to tears when they described the first experience of using the 1-BUD earphone.
  • Scan Sound offers an entire line of single-ear stereo earphones and headphones for people who are deaf in one ear. We encourage customers to review all our 1-BUD products, including our Adjustable Stereo/Mono Headphones, 1-BUD earphones and EAR-1 Headphone
Cable Length
53 in (1.35 m)
Black, Silver Trim
iPhone, iPad, iPod, and Most Audio Equipment
Cord Type
Round TPE
Driver Size
Med Eartip on Earphone, Plus 1 Sm and 1 Lg
Small, Medium, Large Eartips
Right Ear
Frequency Response
20Hz to 20kHz
32 Ohms
Mid Range
20 dB
Hanging display bag
Plug Type
3.5mm, 4-Cond
Plug Plating
Plug Style
Slim Straight
Angled Ear Tip

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