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Sony MDRRF811RK.CEK Over-Ear Wireless Headphones - Black

Product Specification

Key Information

Dimensions (H)0.0 x (W)0.0 x (D)0.0
Built-In Microphone No
Can Be Used As Wired Headphones No
Detachable Cable No
Headphone Type Over-Ear
High-res Audio No
Manufacturer Warranty 1 Year
Noise Cancelling Yes
Power Source Battery
Product Description Home Wireless On-Ear Headphones, 100 m Range
Sports Headphones No
Wireless Headphones Yes


Jack Connection No
Micro / Mini USB No
Other Connectivity RF Signal


Call Handling No
Control Positioning Side of Headphones
Microphone Control No
Play and Pause Control No
Skip Control No
Volume Control Yes

Power and Battery

Battery Life Up to 13 Hours
Rechargeable Battery Yes

Product Detail

Brand Sony
Brand Sony
Category Headphones
Colour Black
Dimensions (H)0.0 x (W)0.0 x (D)0.0
Music Tech Yes
Over-Ear Yes

Sound Technology

Frequency Response 20 to 20,000 Hz
Full Range 40 mm dynamic – Dome type
MQA Audio Compatible No
Noise-cancelling (Active) No
Noise-cancelling (Talk mode) No
Noise-isolating (Passive) Yes

System and Features

Adjustable Headband Yes
Foldable No
On / Off Indicator Light Yes
Removable Earpads / Earbuds No
Self Adjusting Headband Yes
Single-sided Cable No
Washable Earpads / Earbuds No

What Does It Come With

Charging Dock No

What's In The Box

Batteries Included Yes
Manual / Quick Guide Yes
Other Accessories Included AC Power Adapter, Transmitter
Pouch / Carry Case No
USB Charging Cable No
USB to 3.5mm Audio Cable No

Wireless Connections

Bluetooth No
NFC (Near Field Communication) No
Wireless Range 100 m

Sony MDRRF811RK.CEK Over-Ear Wireless Headphones - Black

Delivery Delivery from Thu 21st Mar Delivery from Thu 21st March From Thu 21st March From Thu 21st March


We’ll deliver any product to your home, 7 days a week and even the next day.

  • We schedule deliveries from 7am until 7pm.
  • You can choose a paid morning or afternoon delivery timeslot when you checkout.
  • Free delivery is also available.
  • We’ll text you a 4 hour timeslot on the morning of your delivery.
  • We'll give you your driver’s number just in case there are any issues.
  • Your driver will attempt to call you when they're on the way.
  • Delivery restrictions apply. Please see our delivery page for more information.

Free next day delivery with Click and Collect

You don’t have to wait in to get this item, we can deliver your parcel to a local CollectPlus store.

  • With over 5,800 local stores across the UK, it’s likely there’s one close to your home
  • You can pick the item up at a time that’s convenient to you.
  • We’ll text you as soon as it’s ready to collect
  • You’ve then got 10 days to collect your item

△ The earliest delivery date may vary based on your postcode.
Finance Spend over £199 to pay on finance


If your order is £199 or more, you can spread the cost with our finance options.

We've got a couple of simple payment options to help you spread the cost. It takes just 10 minutes to apply and we'll give you a decision straight away. We offer:

  • 12-48 month finance agreements
  • Buy Now Pay Later - this lets you take a 6 month payment holiday.

Key Features

  • Over-ear headphones for immersive listening
  • Wireless headphones with a range of 100 metres
  • Up to 13 hours battery life
  • Noise-isolating design blocks out external sound
  • Adjustable headband for a perfect fit

Product Overview

Enjoy a comfortable fit with these over-ear headphones from Sony. They deliver a superb immersive experience and with a wireless range of up to 100 feet, they’re perfect for putting on while doing chores. They’ll even keep you connected while you’re trimming the hedges at the bottom of the garden! With a 13 hour battery you can be sure they will last you from sweeping in the morning to ironing at night, and because they are noise-isolating you can be sure they will block out the annoying sounds of the washing machine and hoover. To make them even more comfortable, you can adjust the headband too for the perfect fit.

Help and Advice

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Questions & Answers

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Delivery from Thu 21st Mar Delivery from Thu 21st March From Thu 21st March From Thu 21st March
Product information
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Finance Spend over £199 to pay on finance

Any offers are genuine savings. Because we match the prices of competitors, there is the potential for prices to drop further. We will always offer our customers our price match promise. See terms and conditions.

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