JayBird JF4MBL Freedom Sprint - Midnight Black

Lightweight, SecureFit Athletic Sports Style In-Ear Wireless Bluetooth Headphones

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Product videos

• JF4 Freedom Sprint Bluetooth Buds
• On-ear Music/call Controls Help Avoid Removing Earbuds From Ear
• 4.5 Hour Battery Life From Rechargeable Lithium Ion Battery
• Bluetooth Version: Bluetooth Class 2.1+EDR

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This item has been discontinued

Product Highlights

• JF4 Freedom Sprint Bluetooth Buds
• On-ear Music/call Controls Help Avoid Removing Earbuds From Ear
• 4.5 Hour Battery Life From Rechargeable Lithium Ion Battery
• Bluetooth Version: Bluetooth Class 2.1+EDR



Authorized dealer

The Perfect Gym Headphones

New and Improved Freedom Sprint

Almost everything in the Freedom Sprint earbuds has been enhanced. Taking the highly effective secure fit and high performance audio system from the original Freedom, JayBird has improved on practically every other factor, including the cord, made softer to lay exactly where you want it. The new Freedom Sprint headphones are over 40% smaller than the original Freedom and are compatible with any A2DP Bluetooth stereo device. If you’ve enjoyed Freedom, you are going to love Freedom Sprint.

JayBird Freedom Sprint Size Comparison

Don't Let Your Music Become Distracting

The last thing you want to worry about while you're working out is ear fatigue. To combat this problem, JayBird specially designed the the Freedom Sprint headphones to eliminate listener fatigue. To accomplish this, the Freedom Sprint headphones are tuned to emphasize the sub-bass while reducing the ranges of the mids and extreme treble that can cause listener fatigue. The result of this special tuning is warm, thumpy sound that lets you turn up the volume without your ears getting tired. In addition to eliminating ear fatigue, the Freedom Sprint has fumble-free on-ear controls. Because the controls are on the actual ear tip housing rather than the cable you don't have to worry about accidentally ripping the earbud out of your ears while fumbling with the controls in between sets.

Freedom Sprint Eliminates Ear Fatigue

Your New Gym Partner

Sweat resistance may not seem like the most important thing you want from a pair of headphones, but if you're going to be wearing them at the gym and pouring sweat into them you're going to be thankful for it. The sweat resistance rating of the Freedom Sprint headphones means you can play and train hard without worrying about sweat damaging or even destroying your headphones. To seal the Freedom Sprint headphones, JayBird designed a specialized gasket seal under full-time compression to give the controls and housing a water-tight seal.

Freedom Sprint Sweat Resistance

Comfortable Patented Sports Ear Cushions

Freedom Sprint Comfortable Fit

The Freedom Sprint headphones were built with JayBird's patented sports ear cushions to hug the top, back and lower surface areas of your ears to give you the most secure fit on the market. In addition to the secure fit, these headphones are also incredibly comfortable. It doesn't matter if the headphone drivers are tuned to reduce ear fatigue if they aren't comfortable enough for all day use. JayBird included 3 different sizes of eartips and ear cushion fins to give you 9 custom fit options; these headphones are perfect for any ear.

General Features:

  • Freedom Sprint Wireless Bluetooth Headphones
  • In-ear design
  • On-ear music/call controls help avoid removing earbuds from ear
  • X-Fit Over/under-ear fit options
  • Signal Plus for skip free music outdoors
  • Jenna Voice prompts for easy use
  • Sweat-proof design
  • 4.5 Hour battery life from rechargeable Lithium Ion battery
  • Bluetooth Version: Bluetooth Class 2.1+EDR
  • Designed with a snug fit for active people
  • Includes different size tips for added comfort
  • Main Color: Midnight Black
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Product Specifications:

  • Frequency Response: 20-20,000 Hz
  • Sensitivity: 103 dB
  • Nominal Impedance: 32 Ohms
  • Cord Length: 1.2m
  • Bluetooth Version: Bluetooth Class 2.1+EDR
  • No. of Paired Devices: 2
  • Standby Time: 100 Hrs
  • Charging: USB (included)
  • Frequency Band: 2.4 GHz

What's in the Box?

JayBird JF4MBL Freedom Sprint What's in the Box?
  1. JF4 Freedom Sprint Bluetooth Buds (Midnight Black)
  2. 3 pair ear tips (S,M,L)
  3. 3 pair secure fit ear cushions (S,M,L)
  4. Optional ear hooks
  5. Standard Micro USB Cable
  6. Premium Protective Carry Case

Specifications & Details

Headphone Design
Headphone Type
Headband Type
Specifically For
Headphone Application
Acoustic Principle
General Features
Device Controls & Compatibility
Universal Volume
Built-In Microphone
Built-in to Earpiece
Headphone Connection
Bluetooth Wireless
Volume Adjustment
Bluetooth Version Compatibility
Version 2.1
Color Shades
Ear Cushion/Earbud Material
Protective Case
Hardshell Case
Water Resistant
Ear Hooks
Audio Features
Driver Type
32 ohms
103 dB
Driver Size
8 mm
Frequency Response
20 - 20000 Hz
Built-in Amplifier
What is in the box?
User manual
Warranty/Registration card
Main Product
JayBird JF4MBL Freedom Sprint Earbuds
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details


Model Number:

Freedom Sprint (Midnight Black)



Internal SKU:


Internal Product ID:


Product and How-to Videos

Customer Ratings & Reviews

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Customer Reviews

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Awesome headset

I love this cordless headset, I would highly recommend them. The only fault they have is how long they stay charged. I use then everyday for 30-45 min so they have to be charged once a week.

By sully39 on April 24, 2014


found this helpful.

well tested. fantastic

Ive had them for over a year. or two. got them when they first came out. Always happy with them. Last weekend did my usual MTB ride with them but left them in my jersey back pocket. Into the wash, into the dryer. Was excited cause I thought I could upgrade to the newest version. EXCEPT, Charged them up and listening to them RIGHT NOW. Cant ask for more.

By Mike on April 25, 2013


found this helpful.

Excellent Product!

I exercise a lot (treadmill/jog/ride).

- Good sound
- Great fit
- Great look
- Great packaging
- Great reception

I wish I had known about these a year ago. I seriously doubt I'll ever use another type again.

By Mark on March 13, 2014


found this helpful.

JayBird Freedom Sprint

Feels very durable and I love the flat wire makes it much easier to untangle.Bluetooth works flawless. Volume levels are ample. Only downer I wish it had a bit more bass.

By Mo on May 19, 2014


found this helpful.

Big Bang! For your buck!!

I was very pleased with my jay birds there light weight, durable and the best part there's NO LONG CORDS! The price was right for my budget.

By Jacque on April 28, 2014


found this helpful.

Pleased so far!

I've had these for about a month and have no negative comments thus far. I was using the headphones that came with the apple iPod and iPhone before and these to me are a major upgrade. Yes, you have to remember to charge them after each use, but I can deal with that especially without having to deal with cords in my way!

By Whitney on March 7, 2014


found this helpful.

description a++

Beautiful product does not lack anything. There is no defects

By Sulaiman on May 25, 2014


found this helpful.

Great product,great seller

Great product, great sound, fast shipping, product was as described.

By Lori on January 16, 2014


found this helpful.

Not Impressed!

I recently purchased the Jay bird Sonic.
The sound quality is OK and the accessories are many
But so far every time I get ready to use it the battery is dead so I end up using my old headphones.

By Thor on January 31, 2014


found this helpful.

Second time is the charm (hopefully!)

These are convenient headphones that fit well and do not fall out. I had to return the original headphones, however, because the power button was a little loose, which actually created a pretty annoying rattle when the earpiece was in my ear. This second set seems pretty good, though.

By Allison on July 17, 2014


found this helpful.

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