Skip to content

Store & Venue Finder
Select your local currency
Back to Headphones, Earphones and Earbuds

OTL Batman Dark Knight Slider Case True Wireless Bluetooth Earphones

£14.99

Released: 16th September 2025. Immerse Yourself in Gotham Sound! Step into the world of the Dark Knight with the Batman TWS Slide Earphones, designed for ultimate fans! Featuring a sleek black & yellow design, these True Wireless Stereo (TWS) earbuds deliver deep bass, crisp mids, and clear highs for an immersive listening experience. The unique slide charging case 🖤💛, inspired by classic slider mobile phones, adds a stylish and functional touch, complete with an LED-lit display. Key Features: True Wireless Stereo (TWS) Technology – Enjoy seamless, wire-free listening with Bluetooth connectivity. Premium Sound Quality – Deep bass, smooth mids, and crystal-clear highs for a rich audio experience. Slide Charging Case – Stylish Batman-themed case with a smooth sliding mechanism & LED display. Long Battery Life – Up to 6 hours of playback per charge, with a total of 24 hours using the charging case. USB Type-C Fast Charging – Quick and efficient charging for on-the-go convenience. Smart Touch Control – Easily manage your music and calls with intuitive touch controls, allowing you to play, pause, skip tracks, and answer or reject calls effortlessly. Lightweight & Portable – Perfect for daily use, commuting, travel, or workouts. Perfect for: Music lovers & audiophiles Gamers who want immersive sound Fitness enthusiasts Batman fans & collectors What's in the Box? 2 x OTL TWS Wireless earphones (left and right) 1 x Slide Charging Case with LED Display 1 x USB Type-C Charging Cable 1 x User Manual Stay connected in Gotham style with the Batman TWS Slide Earphones—where high-tech meets heroism!  Specs: BT protocol: A2DP,AVRCP,HSP,HFP   Frequency range: 2.4-2.48GHz Output decibel: 97 dB ± 3 dB @ 1K Hz Transmission distance: Up to 10m Frequency response: 20-20kHz Playing time: Up to 6 hrs Battery capacity: 30mAh/side *2 Box capacity: 300mAh Charging times: 3 times around charging time for earphones: approx 1 hr charging time for box: approx. 1.5 hrs Standby time:Up to 180hrs BLUETOOTH SPECIFICATION Frequency range:2.4-2.48GHz Output power: Max 6.0dBm  Power class: Class 2" Rechargable Li-ion Battery  3.7V EARPHONES 30 mAh 0.111 wh, sliver cuboid                UN38.3 No. RSZBHST220623596                            MSDS: RSZBHST2311021792-2   CHARGING CASE 300 mAh 1.11 wh ,Silver cuboid                                    UN38.3 No.RSZBHST221012920                          MSDS:RSZBHST2311021791-2 

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 £25
    (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:
      16th September 2025
      Format:
      Bluetooth Earphones
      Barcode:
      5055371628938
    • Description

      Immerse Yourself in Gotham Sound!

      Step into the world of the Dark Knight with the Batman TWS Slide Earphones, designed for ultimate fans! Featuring a sleek black & yellow design, these True Wireless Stereo (TWS) earbuds deliver deep bass, crisp mids, and clear highs for an immersive listening experience. The unique slide charging case 🖤💛, inspired by classic slider mobile phones, adds a stylish and functional touch, complete with an LED-lit display.

      Key Features:
      • True Wireless Stereo (TWS) Technology – Enjoy seamless, wire-free listening with Bluetooth connectivity.
      • Premium Sound Quality – Deep bass, smooth mids, and crystal-clear highs for a rich audio experience.
      • Slide Charging Case – Stylish Batman-themed case with a smooth sliding mechanism & LED display.
      • Long Battery Life – Up to 6 hours of playback per charge, with a total of 24 hours using the charging case.
      • USB Type-C Fast Charging – Quick and efficient charging for on-the-go convenience.
      • Smart Touch Control – Easily manage your music and calls with intuitive touch controls, allowing you to play, pause, skip tracks, and answer or reject calls effortlessly.
      • Lightweight & Portable – Perfect for daily use, commuting, travel, or workouts.
      Perfect for:
      • Music lovers & audiophiles
      • Gamers who want immersive sound
      • Fitness enthusiasts
      • Batman fans & collectors
      What's in the Box?
      • 2 x OTL TWS Wireless earphones (left and right)
      • 1 x Slide Charging Case with LED Display
      • 1 x USB Type-C Charging Cable
      • 1 x User Manual
      Stay connected in Gotham style with the Batman TWS Slide Earphones—where high-tech meets heroism! 

      Specs:
      • BT protocol: A2DP,AVRCP,HSP,HFP  
      • Frequency range: 2.4-2.48GHz
      • Output decibel: 97 dB ± 3 dB @ 1K Hz
      • Transmission distance: Up to 10m
      • Frequency response: 20-20kHz
      • Playing time: Up to 6 hrs
      • Battery capacity: 30mAh/side *2
      • Box capacity: 300mAh
      • Charging times: 3 times around
      • charging time for earphones: approx 1 hr
      • charging time for box: approx. 1.5 hrs
      • Standby time:Up to 180hrs
      BLUETOOTH SPECIFICATION
      • Frequency range:2.4-2.48GHz
      • Output power: Max 6.0dBm 
      • Power class: Class 2"
      • Rechargable Li-ion Battery  3.7V
      EARPHONES
      • 30 mAh 0.111 wh, sliver cuboid               
      • UN38.3 No. RSZBHST220623596                           
      • MSDS: RSZBHST2311021792-2  
      CHARGING CASE
      • 300 mAh 1.11 wh ,Silver cuboid                                   
      • UN38.3 No.RSZBHST221012920                         
      • MSDS:RSZBHST2311021791-2 
    • Delivery and Returns

      Delivery charges

      UK Delivery:
      • Orders under £25 - £2.99 
      • Orders £25 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*