In the Box
  • Sony MDR-ZX310AP ZX Series Wired On-Ear Folding Stereo Headset with Adjustable Headband (Black)
  • Knox Gear Hard Shell Headphone Case (Large)
    • Limited 3-Year Warranty

Trusted & Verified

Sony | SKU: ZX310APB-KNHC

Sony MDR-ZX310AP ZX Series Stereo Headset (Black) with Headphone Case Bundle

$39.99
Why You'll Love It
  • Stereo headset with slim, swivel, and folding ear cups
  • Smartphone playback controls
  • Large 30mm driver units coupled with ferrite magnets
  • Lightweight and folding design
  • 1.18-inch neodymium drivers for powerful, balanced sound
  • 10 to 24000 Hz frequency range
  • Y-type cord with 3.94 feet length
  • 4-conductor gold-plated, L-shaped plug
  • Available in black color

Sony MDR-ZX310AP ZX Series Wired On-Ear Folding Stereo Headset with Adjustable Headband (Black)

Sound meets style with smartphone playback controls for life on the go. More than your basic pair of over-the-head headphones, the Sony MDR-ZX310AP ZX Series Stereo Headset delivers rock-solid audio performance, an integrated microphone for hands-free calling, and media playback controls for convenient operation.

Smartphone Playback Control

The integrated microphone and multi-function control button make the MDR-ZX310AP the perfect companion for your smartphone. Android users can also enjoy the convenient Smart Key app for added control functionality directly from your smartphone.

Quality Sound

The large 30mm driver units coupled with ferrite magnets will accurately reproduce a broad, dynamic frequency range. You'll enjoy smooth transitions in treble and mid-range frequencies with powerful bass response.

Pressure Relieving Earpads

The lightweight, adjustable headband with swivel ear pads is designed for comfort so you can enjoy extended listening sessions without fatigue.

Swivel Earcups

The slim, swivel and folding style ear cups stow away for compact portability.

Y-Type Cord

The traditional Y-type cord design helps reduce the chance of tangles while the 4-conductor gold-plated, L-shaped plug ensures a good connection.

Knox Gear Large Headphone Case with EVA Hard Shell

Designed to fit many brands and models of over-ear headphones and headsets, this hard shell case is perfect for storing and carrying your 4-inch earlap headphones wherever you want to go. Near 360-degree zipper closure creates an effective barrier seal, with a plush velvet interior to cushion against shocks and protect your valuable gear from scratches.

Wide Compatibility

Fits most brands and models of 4-inch earlap over-ear headphones and headsets.

Hard Shell Shock Protection

This high-quality EVA hardshell case is semi-waterproof, splash resistant, shockproof, and durable with a plush velvet interior that prevents scratches to your device and protects against drops and bumps during transport. Keep your headphones or headset looking brand new.

Semi Waterproof & Dust-Resistant

Portable and lightweight. Hardshell construction with a 360-degree zipper is water and dust-resistant.

Portable & Travel Friendly

Convenient compact design fits easily inside of backpacks, bags, and carry-on luggage. Great for public transportation, airplanes, road trips, and vacation. Make sure your headphones arrive at your destination in the pristine condition you left with them in.


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Shipping Policy

Orders of $25 or more qualify for free standard shipping on eligible items.

Most in-stock orders placed before 1 PM EST Monday–Thursday ship the same business day. View Shipping Policy

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Tab: Frequently Asked Questions

How do I return an item?

Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.

Will I receive a full refund when I return an item?

You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.

How many days do I have to make a return?

You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days. 

My item was damaged in transit. How do I place a return?

If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage. 

There’s an issue with my order, what should I do?

Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.

Can I exchange an item?

We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.

If I ordered a kit, do I have to return all the items?

If you ordered a kit, you must return all components and accessories to receive a full refund.

I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?

If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.

Do you offer repairs?

We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.

What is your return policy?

Most items can be returned within 30 days for a full refund. Click here to read our full return policy. 

Shipping & Returns

  • Same Day Shipping


    All orders placed by 1PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

  • Free Standard Shipping


    We offer free standard shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).



  • Easy returns


    If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.