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Leather Case for Cayin RU3 USB DAC

Leather for your RU3.

A fitted leather case for the Cayin RU3 dongle DAC, with cut-outs for every port and button and magnetic add-on stickers.

£10.99

Including VAT
Free next day UK deliveryFree UK delivery

Choose your finish Black
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Every UK order has a free delivery option, and orders of £50 or more qualify for free next day delivery.

Order by 12 noon, Monday to Friday, for next day delivery. Orders placed after 12 noon, at the weekend or on a bank holiday are dispatched on the next working day.

Stock and destination also affect when your order arrives. Pre-orders ship when stock arrives; next day delivery applies after dispatch.

Full delivery information

THE AMP3 DIFFERENCE

Find your sound with confidence.

Free return postage within 14 days for any reason, or within 30 days if the item is faulty.

See the full policy for conditions, warranty returns and instructions. Your statutory rights are unaffected.

Read our Returns Policy

PRICE BEAT

Found a better price?

Send us the offer and we’ll aim to beat it. It needs to be the same model, new, in stock and from a UK retailer. Please send your request before you order.

Leather Case for Cayin RU3 USB DAC · BLACK

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Order by 12 noon, Monday to Friday, for next day delivery. Destination and stock availability apply.

Not sure it’s your perfect match? Talk to an audio specialist

MEET THE Leather

Leather for your RU3.

A fitted leather case for the Cayin RU3 dongle DAC, with cut-outs for every port and button and magnetic add-on stickers.

01

Snug fit

Made for the RU3, with cut-outs for the screen, USB-C, both outputs and the buttons.

02

Protection

Guards against scratches, drops and everyday wear.

03

Magnetic option

Includes magnetic add-on stickers for attaching the RU3 to a phone.

Read the full description

Cayin’s official leather case is made to fit the Cayin RU3 dongle DAC. It protects the RU3 against scratches, drops and everyday wear, with cut-outs that keep the screen, USB-C socket, headphone outputs and buttons fully usable.

Cayin RU3 leather cases with their magnetic discs

Magnetic mounting

Circular magnetic add-on stickers come with the case, giving reliable magnetic support so you can fix the RU3 to the back of your phone or its case and keep the two together while you listen.

Good to know

  • Choose your colour from the options above.
  • In the box: leather case and magnetic add-on stickers. The RU3 is not included.

THE FINER DETAILS

Built for
better listening.

Know what you’re choosing.
Find the right fit for your setup.

Leather Case for Cayin RU3 USB DAC
Compatibility
Cayin RU3
Finishes
BLACK / CYAN / PURPLE

Specifications are based on manufacturer information and may change.

FROM FELLOW LISTENERS

Customer reviews.

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GOOD TO KNOW

A little clarity.
A confident choice.

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Ask the AMP3 team
How does free delivery work?

Every UK order has a free delivery option, and orders of £50 or more qualify for free next day delivery. Order by 12 noon, Monday to Friday, for next day delivery; orders placed after 12 noon, at the weekend or on a bank holiday are dispatched on the next working day. Stock availability and destination also affect arrival — check the options shown at checkout.

Pre-orders ship when stock arrives; the next day service starts after dispatch. Full delivery information

What if it’s not right for me?

Return within 14 days for any reason, or within 30 days if faulty, with free return postage. See our full Returns Policy for conditions and how to start a return.

Can you help me choose headphones?

Absolutely. Tell us what you listen to and the headphones you have — or the ones you’re considering — and we’ll help you find a suitable pairing. Chat with us

How do I request a Price Beat?

Use the Price Beat option on this page to send us the competing offer. The team will review your request; it isn’t an automatic discount. How Price Beat works