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Sennheiser HD 250BT Black Bluetooth Headphones

£34.99

Released: 25th March 2021. The HD 250BT deliver a thrilling audio experience, with Sennheiser’s famed transducer technology ensuring higher quality audio with dynamic bass. Thanks to a 25-hour battery life, advanced wireless technology and rugged design they can keep pace with the busiest lifestyles. High-quality sound with dynamic bass AAC, aptX™ codec support and aptX™ Low Latency 25-hours of battery life Smart Control App with equalizer function Advanced wireless Bluetooth 5.0 technology Specifications General Data:  Ear coupling: Supra-aural Transducer: 32 mm Transducer principle: Dynamic Acoustic Principle: Closed Power supply:  Built-in rechargeable lithium-polymer battery: 3.7 V ⎓, 190 mAh USB charging: 5 V ⎓, 100 mA max. Charging time: Up to 3 hrs Operating time: Up to 25 hrs Temperature range:  Operation: 0°C to +40°C Charging: +10°C to +40°C Storage: –20°C to +60 °C Relative humidity:  Operation: 10 to 80%, non condensing Storage: 10 to 90% Weight (headphones): Approx. 125 g App support:Sennheiser Smart Control App for iOS™ and Android™ Bluetooth: Version: Bluetooth 5.0 compatible, class 1, BLE Transmission frequency: 2,402 MHz to 2,480 MHz Modulation: GFSK, π/4 DQPSK, 8DPSK Output power: 10.0 mW (max) Profiles: HSP, HFP, AVRCP, A2DP Codec: aptX™, aptX™ Low Latency, AAC, SBC Headphones Frequency response: 20 Hz to 22,000 Hz (-10 dB) Sound pressure level (SPL): 110 dB (1 kHz/0 dBFS) THD – total harmonic distortion (1 kHz, 100 dB SPL): < 0.3 % Microphone Microphone principle ECM Microphone frequencyresponse: 100 Hz to 10,000 Hz Sound pressure level (SPL): -44 dbV/Pa Microphone pick-up pattern (speech audio): Omni-directional microphone Single mic Packaging Content of Box: HD 250BT Wireless Headphones USB-C Charging Cable Quick Guide and Safety Guide Packaging type: Carton Box Language on packaging: English, German, French, Spanish, Simplified Chinese, Japanese Dimensions product packaging (L x B x H): 85 x 200 x 235 mm Weight of headphones with packaging: 315.2g Dimensions of outer master carton (L x B x H): 455 x 420 x 265 mm Number of products per outer master carton: 10 Total weight of outer master carton & products: 5,347g

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  • Details

    Released:
    25th March 2021
    Format:
    Bluetooth Headphones
    Barcode:
    4044155252507
  • Description

    The HD 250BT deliver a thrilling audio experience, with Sennheiser’s famed transducer technology ensuring higher quality audio with dynamic bass. Thanks to a 25-hour battery life, advanced wireless technology and rugged design they can keep pace with the busiest lifestyles.
    • High-quality sound with dynamic bass
    • AAC, aptX™ codec support and aptX™ Low Latency
    • 25-hours of battery life
    • Smart Control App with equalizer function
    • Advanced wireless Bluetooth 5.0 technology
    Specifications
    General Data: 
    • Ear coupling: Supra-aural
    • Transducer: 32 mm
    • Transducer principle: Dynamic
    • Acoustic Principle: Closed
    • Power supply: 
      • Built-in rechargeable lithium-polymer
      • battery: 3.7 V ⎓, 190 mAh
      • USB charging: 5 V ⎓, 100 mA max.
    • Charging time: Up to 3 hrs
    • Operating time: Up to 25 hrs
    • Temperature range: 
      • Operation: 0°C to +40°C
      • Charging: +10°C to +40°C
      • Storage: –20°C to +60 °C
    • Relative humidity: 
      • Operation: 10 to 80%, non condensing
      • Storage: 10 to 90%
    • Weight (headphones): Approx. 125 g
    • App support:Sennheiser Smart Control App for iOS™ and Android™
    Bluetooth:
    • Version: Bluetooth 5.0 compatible, class 1, BLE
    • Transmission frequency: 2,402 MHz to 2,480 MHz
    • Modulation: GFSK, π/4 DQPSK, 8DPSK
    • Output power: 10.0 mW (max)
    • Profiles: HSP, HFP, AVRCP, A2DP
    • Codec: aptX™, aptX™ Low Latency, AAC, SBC
    Headphones
    • Frequency response: 20 Hz to 22,000 Hz (-10 dB)
    • Sound pressure level (SPL): 110 dB (1 kHz/0 dBFS)
    • THD – total harmonic distortion (1 kHz, 100 dB SPL): < 0.3 %
    Microphone
    • Microphone principle ECM
    • Microphone frequencyresponse: 100 Hz to 10,000 Hz
    • Sound pressure level (SPL): -44 dbV/Pa
    • Microphone pick-up pattern (speech audio):
      • Omni-directional microphone
      • Single mic
    Packaging
    • Content of Box:
      • HD 250BT Wireless Headphones
      • USB-C Charging Cable
      • Quick Guide and Safety Guide
    • Packaging type: Carton Box
    • Language on packaging: English, German, French, Spanish, Simplified Chinese, Japanese
    • Dimensions product packaging (L x B x H): 85 x 200 x 235 mm
    • Weight of headphones with packaging: 315.2g
    • Dimensions of outer master carton (L x B x H): 455 x 420 x 265 mm
    • Number of products per outer master carton: 10
    • Total weight of outer master carton & products: 5,347g
  • Delivery and Returns

    Delivery charges

    • Orders under £20 - £2.99 postage fee
    • Orders £20 and over - FREE*
    • Click & Collect - FREE**
    • Express Delivery - £5.99
    *Selected items are only available for shipping via a dedicated delivery service for a charge.
    **Selected items are only available for delivery using 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 orders within 24 hours* 
    • Standard delivery is a Royal Mail Tracked 48® service and usually arrives within 2-5 working days, including Saturdays. 
    • Express delivery is either a Royal Mail Tracked 24® or DPD service, for delivery within two working days (if ordered by 2pm, Monday to Friday - excluding public holidays).
    • We’ll aim to dispatch pre-orders so that you receive them on the release date.
    *Items must be in stock to be dispatched within these timeframes. Where an item is 'Back in stock soon', we'll aim to receive more stock within a week and will dispatch orders once the stock has arrived.

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

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

    • We’ll send you a dispatch email when your items are on their way, but you can also check the status of your order in your account.
    • We don’t always ship everything together so check your dispatch email for more details - we’ll send you a dispatch email per parcel.
    • If your order contains items that are out of stock, we’ll ship the in-stock items as soon as we can and will dispatch the out-of-stock items as soon as we’ve received more stock.
    For more information, please visit the Delivery section of our Help Centre.


    Trusted Suppliers

    Products labelled '*item fulfilled by Exertis on behalf of hmv' will be supplied to you directly by Exertis via their approved couriers. When you place an order for an item that is fulfilled by Exertis, your details shall be forwarded to them so that they can fulfil the order, and to their courier so that they can deliver the item.


    Returns

    • We're happy to accept returns for unwanted items provided that they're returned within 14 days of receipt; unopened, unused and in perfect condition.
    • Some exclusions apply, please visit the Returns section of our Help Centre for more details. 
     
     
     
     
     
     
     
     
     

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