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Koss BT221i — Review & Specs | Pricepect | Pricepect

Home Wireless HeadphonesKoss BT221i

Koss BT221i — image 1

Koss

Koss BT221i

Expert Review Analysis

The Koss BT221i are lightweight on‑ear clip‑style Bluetooth headphones featuring a 45 g open‑back design, pivoting ear‑clips, and an in‑line three‑button remote. They deliver balanced bass and mids, are sweat‑resistant, and offer up to six hours of playback via USB‑C charging.

✓ Best for: People who avoid in‑ear buds, such as users with sensitive ears or those needing hat compatibility, and anyone looking for a lightweight, sweat‑resistant clip‑on for cardio workouts, gardening, classroom use, or hands‑free calls.✗ Not ideal for: Listeners who require very high maximum volume, audiophiles seeking detailed treble performance, or users needing long‑duration battery life for all‑day listening without recharging.

Pros

✓Lightweight 45 g construction provides comfortable all‑day wear, even with hats or helmets.
✓Soft foam ear cushions and pivoting ear‑clips deliver a secure, custom fit for sensitive ears.
✓Balanced bass and mids give clear, enjoyable audio for workouts and everyday listening.

Price History

Current

$27.99

Average

$27.18

Lowest

$19.99

Highest

$28.07

Price trend (90d):0.0%

Best Seller Rank History

Now#724Best#288Worst#3,682 +2,135

Lower = better sales rank

Specifications

Audio

Frequency Response50–18,000 Hz

Sensitivity101 dB SPL dB

Battery

Battery Life6 hours minutes

Battery TypeLithium-ion

Connectivity

Bluetooth Version4.2

Controls

Remote TypeIn-line three-button remote (play/pause, start/stop, volume, answer/end)

Touch RemoteYes

Design

Design TypeOpen-back, on-ear clip

Ear Clip MechanismPivoting ear-clip

Ear Cushion MaterialSoft foam

Features

Cable Management ClipYes

Sweat ResistanceYes

General

BrandKoss

ManufacturerKOSS

Model196627

ColorBlack

SizeNormal

Ports

Charging PortUSB-C

Fit

Pivoting ear‑clipsAdjustable clips for custom fit

Charging

Charging portUSB‑C rechargeable battery

Warranty

Warranty period1‑year limited warranty

Dimensions & Weight

Height0.9842519675 inches

Width0.9842519675 inches

Depth0.9842519675 inches

Weight0.12200125176449242 pounds

Research Sources

learningheadphones.com

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User Reviews

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3.6

(559 reviews)

$27.99$29.997% off

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196627BlackNormal 1 YEAR

Wireless Headphones

✓Sweat‑ and water‑resistant build keeps the headphones functional during cardio sessions.

✓In‑line three‑button remote with microphone enables hands‑free call control and playback.

Cons

✗Treble response peaks, causing harshness in higher frequencies for some listeners.
✗Maximum volume is limited, often maxing out below 50 % on iPhone despite high settings.
✗Battery life is limited to about six hours, which may be insufficient for long sessions.
✗No active noise cancellation or advanced EQ features, limiting sound customization.

From Expert Reviews

Praised by Experts

✓Professional reviewers highlight mature, balanced bass and mids that rival wired KSC75.
✓Absence of volume‑change beeps provides a cleaner listening experience.
✓Reliable Bluetooth 4.2 syncing works consistently across iOS and Android devices.

Criticized by Experts

✗Reviewers note a noticeable treble peak that can make highs sound harsh.
✗Even at full gain the headphones do not reach a loud enough maximum volume for some users.

From User Reviews

Users Love

✓Everyday users praise the lightweight comfort that stays comfortable with hats and sensitive ears.
✓Secure clip fit stays in place during treadmill, spin‑bike, and garden work without earbuds.
✓Sweat‑resistant construction holds up during intense cardio and outdoor activities.
✓In‑line remote and mic allow easy call handling while staying hands‑free.

Users Complain About

✗Users report the maximum volume feels low, especially on iPhone devices.
✗Battery lasting only around six hours is seen as a limitation for extended use.

Expert Opinion

Professional reviewers commend the BT221i for its mature, balanced bass and mids, the lack of intrusive volume‑change beeps, and rock‑solid Bluetooth 4.2 pairing across iOS and Android. However, they criticize a pronounced treble peak and the fact that the headphones never achieve a truly high maximum volume, which may disappoint power‑hungry listeners.

What Users Say

Everyday users consistently highlight the lightweight, comfortable fit—especially for those who wear hats or have sensitive ears—and appreciate the secure clip during workouts and chores. The sweat‑resistant build and handy in‑line remote are also praised, while the most common complaints revolve around limited maximum volume and modest battery life.

Common Complaints

The most frequently mentioned issues are the limited maximum volume, a treble peak that can sound harsh, and a battery life that caps at roughly six hours.

What People Are Saying

“Lightweight and comfortable for extended wear, especially with hats or during activities”
User review

“Good, balanced bass and mids; no volume-change beeps; reliable syncing with iOS and Android”
Professional YouTube review

“Excellent customer service and value for casual use”
Customer feedback

How It Compares

vs. Koss KSC75 (wired)

Advantages

✓BT221i offers wireless freedom and sweat resistance that the wired KSC75 lacks
✓Pivoting clips provide a more secure fit than the static KSC75 ear‑pads

Disadvantages

✗KSC75 delivers clearer treble and higher maximum volume without the BT221i’s limitations
✗Wired KSC75 does not require battery charging, avoiding the BT221i’s six‑hour limit

Choose BT221i for wireless, workout‑ready use; choose KSC75 for audiophile‑grade sound and unlimited playtime.

vs. Budget ear‑clip Bluetooth models

Advantages

✓BT221i’s balanced bass/mids and reliable iOS/Android pairing outperform many low‑cost clip‑ons
✓Higher build quality with USB‑C charging and a 1‑year warranty

Disadvantages

✗Competing budget models sometimes offer louder maximum volume and longer battery life
✗Some cheaper clips may lack the pivoting‑clip comfort of the BT221i

Select BT221i when comfort, sound balance, and durability matter; opt for cheaper clips if maximum volume and longer battery life are top priorities.

Rating Trend

Rating3.6/ 5Reviews560+36 reviews -0.10