JBL Project Rock Under Armour Flash X Earbuds

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Free delivery with Click & Collect on orders £30 or more.
Orders under £30 carry a £3 delivery charge

Orders will be delivered to one of the 1000s of Collect+ stores or Post Offices (on selected lines only) and usually delivered the next working day if ordered before 7pm (Sun - Fri).*

Exclusions apply, determined by size, weight or whether delivered direct from one of our suppliers.

Standard delivery £3.99
Delivered to your home or nominated address, usually delivered the next working day if ordered before 7pm*

Nominated day delivery £4.99
Delivered to your home or nominated address on a day of your choice

*Some promotional items can take up to 10 days


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*Maximum weight 10kg

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Total £179.00
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  • Product Description
  • Product Features
  • Technical Specification
  • Additional Information
  • Customer Reviews
  • Questions and Answers


Item number RATCU

The JBL Project Rock Under Armour Flash X Earbuds are sleek, sturdy and sound superb.

Perfect for commuting and working out, UA Flash X Earbuds are compact and cable-free for zero distractions. IPX7 sweat & waterproof technology means you can run in the rain or work up a righteous sweat in the gym without any worries.

With just one touch, Bionic Hearing allows you to hear your surroundings with two sound Technologies. With TalkThru Technology, music is lowered and speech is amplified for quick conversations. AmbientAware delivers a more immersive music experience with increased ambient sound for safety outdoors.

Get up to 50 hours listening while out and about - you get 10 hours from the earbuds themselves and another 40 hours from the water-resistant charging case with sleek slide opening and a fabric cord for easy carrying.
  • Depth: 30 MM
  • Height: 40 MM
  • Width: 122 MM
  • Blue Tooth: Y
  • JBL Charged Sound - Bold sound tuned for sport with rich bass built for the grind.
  • Up to 5 hours of playtime + 20 additional hours (max) in ruged aluminium case for charging on-the-go.
  • Bluetooth wireless - compact and cable free for zero distractions.

Product Features

  • Truly wireless built for the grind
    Compact and cable-free for zero distractions.
  • UA waterproof technology, high-performance design
    IPX7 sweat & waterproof technology that works just as hard as you do.
  • Rock-tuned JBL charged sound
    Bold sound tuned for sport with rich bass built for the grind.

Technical Specification

Product DescriptionJBL Under Armour Project Rock True Wireless X - true wireless earphones with mic
Product TypeTrue wireless earphones - Bluetooth
Recommended UsePortable electronics
Headphones Form FactorIn-ear
Wireless TechnologyBluetooth
Radio Frequency Range2.4 - 2.4835GHz
Bluetooth VersionBluetooth 5.0
Sound Output ModeStereo
Audio SpecificationsFrequency Response 20 - 22000 Hz - Sensitivity 96 dB/mW
Impedance14 Ohm
Noise IsolatingNoise isolating