BT221i Wireless Ear Clips delivers high-fidelity audio in a lightweight wireless ear clip design.
Experience remarkable high-fidelity audio with deep bass and a superior midrange.
BT221i Wireless Ear Clips feature Bluetooth 4.2 for wireless connectivity.
BT221i Wireless Ear Clips feature a unique ear-clip design that delivers a comfortable, secure fit.
Adjust Volume, Pause/Play/Skip tracks and Answer/End calls with in-line microphone and remote.
Designed for on-the-go listening, BT221i Wireless Ear Clips features a lightweight, ear clip design perfect for active individuals.
A convenient in-line microphone and remote allows listeners to adjust Volume, Pause/Play/Skip tracks as well as Answer/End calls.
BT221i Wireless Ear Clips features a convenient cable management clip that can be slid along the length of the cable for a secure and tangle free fit.
Get up to 6+ hours of play/talk time with BT221i Wireless Ear Clips.
At the heart of the BT221i Wireless Ear Clips lies a dynamic element that delivers high-fidelity audio with remarkable clarity and precision. Music comes to life with vibrant details, ensuring that every note is heard with astonishing accuracy.
BT221i Wireless Ear Clips take everything listeners have come to love about the original and adds Wireless Bluetooth 4.2 along with an in-line microphone and remote for adjusting volume, taking calls and controlling music.
The Koss BT221i Wireless Bluetooth Ear Clips are a bridge between the past and the present, combining classic design elements with modern audio excellence. They offer a comfortable and immersive listening experience that brings music to life with astonishing clarity and fidelity.
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Bluetooth | 4.2 |
Controls | In-line remote for adjusting volume and controlling music. |
Microphone | Integrated in-line microphone for taking calls. |
Battery Life | 6+ hours of play/talk time |
Cushions | Foam |
Design | Pivoting ear clip design |
Frequency Response | 50-18,000 Hz |
Included | BT221i Wireless Ear Clips and USB charging cable |
BT221i | Porta Pro | Porta Pro Limited Edition | Porta Pro Utility | KPH40 Utility | KPH30i | KSC75 | |
Customer Reviews
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3.8 out of 5 stars
501
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4.6 out of 5 stars
15,673
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4.5 out of 5 stars
1,725
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4.1 out of 5 stars
156
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4.5 out of 5 stars
825
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4.5 out of 5 stars
3,286
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4.4 out of 5 stars
7,906
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Price
| $27.99$27.99 | $39.99$39.99 | $59.99$59.99 | $49.99$49.99 | $39.99$39.99 | $29.99$29.99 | $19.99$19.99 |
Headphone Type
| Ear Clip | On Ear | On Ear | On Ear | On Ear | On Ear | Ear Clip |
Connection
| Bluetooth | 3.5mm | 3.5mm | Utility Series | Utility Series | 3.5mm | 3.5mm |
Utility Series
| ? | ? | ? | 3.5mm, USB-C & Lightning | 3.5mm, USB-C & Lightning | ? | ? |
Audio Controls
| In-Line Remote | ? | In-Line Remote | Utility Cord Remote | Utility Cord Remote | In-Line Remote | ? |
Microphone
| In-Line Remote | ? | In-Line Remote | Utility Cord Remote | Utility Cord Remote | In-Line Remote | ? |
Noise Cancelling
| ? | ? | ? | ? | ? | ? | ? |
Adjustable Headband
| ? | Yes | Yes | Yes | Yes | Yes | ? |
Collapsible
| ? | Yes | Yes | Yes | ? | ? | ? |
Carrying Case/Pouch
| ? | Carrying Pouch | Hardshell Case | Carrying Pouch | ? | ? | ? |
The Original American Stereophone Company
In 1958 John C. Koss changed the way we all listen to music when he invented the worlds first SP/3 stereophone.
Koss sought to replicate the excitement of a live musical performance, allowing listeners to experience sound as they had never before, bringing them closer to the music they love. Music lovers around the world recognize that dedication to accuracy in sound reproduction as: The Sound of Koss
Before the worlds first SP/3 Stereophone in 1958, John C. Koss developed a portable stereo photograph player with side-wing speakers.
in 1958 John C. Koss invented the worlds first SP/3 Stereophone introducing personal stereo audio to the world.
In 1960 Koss released the predecessor to the SP/3 with a lighter design, more comfortable headband and superior sound quality.
In 1970 Pro/4AA set the standard for full-size professional headphones delivering true full frequency performance.
On June 25, 1971 John C. Koss unveiled the new Koss World Headquarters in Milwaukee, Wisconsin.
In 1974, Koss released the HV/1A the first dynamic headphone capable of reproducing all 10 audible octaves.
In 1984 the acclaimed Porta Pro was released and set performance and comfort standards worldwide for decades to come.
In 1989 the JCK/300 Kordless Headphone system set the standard for infrared wireless headphones.
In 1990 Kosss revolutionary ESP/950 electrostatic headphones introduced breakthrough high-fidelity sound.
Carrying on the legacy of the Pro/4 line, 2014s Pro4S Studio Headphone was specifically designed for audio professionals.
In 2017 Koss released the acclaimed KPH30i featuring an ultra-light weight design with remarkable high-fidelity sound.
In 2021 Koss Utility Series introduced three new headphones allowing listeners to connect via Lightning, USB-C and 3.5mm.
In 2023 Koss continued its evolution of wireless headphones with the TWS250i True Wireless Earbuds.