Are thes good for running or will they fall off too easily?

thes don’t good for running but good sound

Will all of the functions of the in-line microphone & remote work with Spotify on an Android phone??

Yes, the in-line mic and remote will work with any smart phone when paired via bluetooth. You can even double tap the power button to activate SIRI and Google Assistant.

Where do I get replacement ear pads for the BT221i headphones?

Way late with this answer and I doubt the original person is still concerned about this but there is a person on eBay currently selling 5 pairs of replacement pads for these headphones for only 10 bucks!

Can these be hooked up via 3.5mm jack as well as Bluetooth?

No, they are bluetooth only. Personally, I prefer the sound quality on the wired ones that they do - best value for money headphones you can buy. But I can sync these up with my watch over bluetooth so I don't have to take my phone when I go out running - handy.

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Description

🎧 Elevate your sound game—wireless freedom meets all-day comfort!

ALL DAY POWER - Enjoy uninterrupted music with 6+ hours of battery life, perfect for long workdays or workouts.
FEATHERLIGHT COMFORT - Lightweight design ensures you stay comfortable during extended wear, blending tech with ease.
SEAMLESS WIRELESS FREEDOM - Bluetooth connectivity lets you move freely without tangled wires, enhancing your productivity and style.
STAY CONNECTED HANDS FREE - In-line microphone and remote enable effortless calls and music control on the go.
SWEAT RESISTANT DURABILITY - Designed to keep up with your active lifestyle, whether at the gym or during your commute.

The Koss BT221i Wireless Bluetooth Ear Clips deliver over 6 hours of playback with sweat-resistant, lightweight design. Featuring Bluetooth connectivity and an in-line microphone with remote, these ear clips offer hands-free control and durability for active professionals on the move.

Specifications

Control Method	Remote
Controller Type	remote
Control Type	Volume Control
Unit Count	1.0 Count
Item Weight	0.06 Kilograms
Wireless Technology	Bluetooth
Bluetooth Version	4.2
Connectivity Technology	Wireless
Frequency Range	50-18000 Hz
Audio Latency	150 Milliseconds
Impedance	36 Ohm
Noise Control	None
Headphone Folding Features	In Ear
Earpiece Shape	On-Ear
Headphones Ear Placement	On Ear
Style Name	Sport
Theme	Music & Fitness
Color	Black
Battery Average Life	6 Hours
Battery Charge Time	6 Hours
Water Resistance Level	Water Resistant
Is Electric	Yes
Antenna Location	Cycling, Running, Exercising
Compatible Devices	Bluetooth-enabled devices
Cable Features	Without Cable
Additional Features	Lightweight
Enclosure Material	Plastic
Specific Uses For Product	Music

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