Feature

●Wireless Bluetooth Ear Clip Headphones, Bluetooth version 4.2 Technology
●6+ Hour Battery Life, Built-in rechargeable lithium-ion battery
●In-Line Microphone & Remote (Play/Pause, Start/Stop, Volume, Answer/End, etc.)
●Pivoting ear-clip creates the perfect fit and seal, Sweat Resistant, Cable Management Clip
●One Year Limited Warranty

Description

Hearing is Believing

BT221i Wireless Ear Clips delivers high-fidelity audio in a lightweight wireless ear clip design.
Legendary Sound

Experience remarkable high-fidelity audio with deep bass and a superior midrange.
No Headphone Jack? No Problem.

BT221i Wireless Ear Clips feature Bluetooth 4.2 for wireless connectivity.
The Perfect Fit

BT221i Wireless Ear Clips feature a unique ear-clip design that delivers a comfortable, secure fit.
Stay Connected

Adjust Volume, Pause/Play/Skip tracks and Answer/End calls with in-line microphone and remote.

1 BT221i Wireless Ear Clips 2 High-Fidelity Audio 3 Bluetooth 4 Ear Clip Design 5 In-Line Controls

Ear Clip Design

Designed for on-the-go listening, BT221i Wireless Ear Clips features a lightweight, ear clip design perfect for active individuals.

In-Line Controls

A convenient in-line microphone and remote allows listeners to adjust Volume, Pause/Play/Skip tracks as well as Answer/End calls.

Cable Management

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.

Battery Life

Get up to 6+ hours of play/talk time with BT221i Wireless Ear Clips.

Legendary Sound. No Strings Attached.

High-Fidelity Audio

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.

Bluetooth 4.2

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.

Hearing is Believing

BT221i Wireless Ear Clips

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

More Products From Koss

	BT221i	Porta Pro	Porta Pro Limited Edition	Porta Pro Utility	KPH40 Utility	KPH30i	KSC75
Customer Reviews	501	15,673	1,725	156	825	3,286	7,906
Price	$27.99	$39.99	$59.99	$49.99	$39.99	$29.99	$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	?	?	?

From the brand

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
Porta Pro Collection

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Retro Headphones

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Utility Series

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Wireless Headphones

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Birth of the Stereophone

Before the worlds first SP/3 Stereophone in 1958, John C. Koss developed a portable stereo photograph player with side-wing speakers.
Worlds First SP/3 Stereophone

in 1958 John C. Koss invented the worlds first SP/3 Stereophone introducing personal stereo audio to the world.
SP/3X

In 1960 Koss released the predecessor to the SP/3 with a lighter design, more comfortable headband and superior sound quality.
Pro/4AA

In 1970 Pro/4AA set the standard for full-size professional headphones delivering true full frequency performance.
Koss World Headquarters

On June 25, 1971 John C. Koss unveiled the new Koss World Headquarters in Milwaukee, Wisconsin.
HV/1A

In 1974, Koss released the HV/1A the first dynamic headphone capable of reproducing all 10 audible octaves.
Porta Pro

In 1984 the acclaimed Porta Pro was released and set performance and comfort standards worldwide for decades to come.
JCK/300 Kordless System

In 1989 the JCK/300 Kordless Headphone system set the standard for infrared wireless headphones.
ESP/950

In 1990 Kosss revolutionary ESP/950 electrostatic headphones introduced breakthrough high-fidelity sound.
Pro4S Studio

Carrying on the legacy of the Pro/4 line, 2014s Pro4S Studio Headphone was specifically designed for audio professionals.
KPH30i

In 2017 Koss released the acclaimed KPH30i featuring an ultra-light weight design with remarkable high-fidelity sound.
Utility Series

In 2021 Koss Utility Series introduced three new headphones allowing listeners to connect via Lightning, USB-C and 3.5mm.
True Wireless Earbuds

In 2023 Koss continued its evolution of wireless headphones with the TWS250i True Wireless Earbuds.