Skip to content

Store & Venue Finder
Select your local currency

Sudio R4 White Bluetooth Headphones

£29.99

Released: 27th September 2025. Sudio R4 White Bluetooth Headphones GENERAL     Acoustic construction    Closed Driver type    Dynamic Buttons    KEY Touch Product type    Over-ear  Headphone Microphone    1 Product weight    176.36g Product dimensions (W * H * D)    197.15*165.73*82.43mm Vegan    Yes SOUND     Driver size    40mm Frequency range    20Hz-20kHz Impedance    32Ω Sensitivity    110dB Speaker output    20mW Noise Isolation    NA CONNECTIONS     Audio in    NA Wireless    BT6.0 Chipset    AB5656B3 Flash memory size    2Mbit Wireless technology    Bluetooth Range (m)    10M Bluetooth codec    SBC Bluetooth profile    "A2DP/AVDTP/AVRCP/RFCOMM/HFP/HSP/ SPP/HID" Charging type    USB USB-contact type    TYPE-C Multi-point Bluetooth connection    NA BATTERY     Type    Polymer Lithium Cell Number of cells    1 Play time    40H(50% volume) Stand By-time    120 days Battery dimensions    6g IEC Code    32*20*6mm MOS (Mosfet)    AB5656B3 mAh    8205/SOT-23-6 mA    300mAh Wh    300mA V    1.1wh Quick charge    3.7V Time to full charge (min)    NA Battery name    <2Hours Min/max environment temperature    WHX602030

More info

There was an error adding this product to your basket. Please try again.

Ring & Reserve

*Availability subject to change.

To reserve this item in store, call: 03333 230 667

Delivery
*Free UK delivery on orders over £20
(exclusions apply)
Usually dispatched within 24 hours
Click & Collect (UK only)
Get it delivered to a UK store near you with FREE Click & Collect available on this product.
  • Details

    Released:
    27th September 2025
    Format:
    Bluetooth Headphones
    Barcode:
    7340238132191
  • Description

    Sudio R4 White Bluetooth Headphones

    GENERAL    
    • Acoustic construction    Closed
    • Driver type    Dynamic
    • Buttons    KEY Touch
    • Product type    Over-ear  Headphone
    • Microphone    1
    • Product weight    176.36g
    • Product dimensions (W * H * D)    197.15*165.73*82.43mm
    • Vegan    Yes
    SOUND    
    • Driver size    40mm
    • Frequency range    20Hz-20kHz
    • Impedance    32Ω
    • Sensitivity    110dB
    • Speaker output    20mW
    • Noise Isolation    NA
    CONNECTIONS    
    • Audio in    NA
    • Wireless    BT6.0
    • Chipset    AB5656B3
    • Flash memory size    2Mbit
    • Wireless technology    Bluetooth
    • Range (m)    10M
    • Bluetooth codec    SBC
    • Bluetooth profile    "A2DP/AVDTP/AVRCP/RFCOMM/HFP/HSP/
    • SPP/HID"
    • Charging type    USB
    • USB-contact type    TYPE-C
    • Multi-point Bluetooth connection    NA
    BATTERY    
    • Type    Polymer Lithium Cell
    • Number of cells    1
    • Play time    40H(50% volume)
    • Stand By-time    120 days
    • Battery dimensions    6g
    • IEC Code    32*20*6mm
    • MOS (Mosfet)    AB5656B3
    • mAh    8205/SOT-23-6
    • mA    300mAh
    • Wh    300mA
    • V    1.1wh
    • Quick charge    3.7V
    • Time to full charge (min)    NA
    • Battery name    <2Hours
    • Min/max environment temperature    WHX602030
  • Delivery and Returns

    Delivery charges

    UK Delivery:
    • Orders under £20 - £2.99 
    • Orders £20 and over - FREE*
    • Click & Collect - FREE**
    • Express Delivery - £5.99
    International Delivery:
    Costs are calculated at checkout based on parcel size and weight. Find out more here.

    *Some items are only available via a dedicated delivery service, for an additional charge.
    **Some items can only be delivered via Click & Collect to an HMV or Fopp store of your choice.

    For more information, please visit the Delivery section of our Help Centre.


    When will my order arrive?

    • We aim to dispatch in-stock items within 24 hours* 
    • Standard UK delivery: Royal Mail Tracked 48® service, usually within 2-5 working days (including Saturdays).
    • Express UK delivery: Royal Mail Tracked 24® or DPD, usually within two working days (order by 2pm, Monday to Friday, excluding public holidays).
    • International delivery: Tracked service, usually within 3-5 working days.
    • Pre-orders: dispatched with the aim to deliver on the release date.
    *Where an item is 'Back in stock soon', we usually expect stock within a week and will dispatch it once available.

    For more information, please visit the Delivery section of our Help Centre.

    Will you tell me when my order is on its way?

    • You will receive a dispatch email when each parcel is on its way.
    • Orders may arrive in multiple parcels, depending on stock availability.
    • Out-of-stock items will follow as soon as we receive stock.
    • You can check the status of your orders in your account.
    For more information, please visit the Delivery section of our Help Centre.


    Trusted Suppliers

    Items marked 'item fulfilled by Exertis on behalf of hmv' are dispatched directly by Exertis via their approved couriers. Your delivery details will be shared with Exertis and their courier to fulfil your order.


    Returns

    • We're happy to accept returns for unwanted items within 30 days of receipt, provided they’re in their original condition with all seals intact. Clothing and technology items without a seal may be opened for inspection (as you would in a shop) but must not be used and should be repackaged carefully.  
    • Some exclusions apply, please visit the Returns section of our Help Centre for more details. 
     
     
     
     
     
     
     
     

Sign-up for emails

Sign-up for emails

Sign-up for emails

I'd love to hear about offers and promotions from hmv*