UA Project Rock True Wireless – Engineered by JBL - Black - True wireless sport headphones to maximize each and every workout, with JBL technology and sound - Hero UA Project Rock True Wireless – Engineered by JBL - Black - True wireless sport headphones to maximize each and every workout, with JBL technology and sound - Back UA Project Rock True Wireless – Engineered by JBL - Black - True wireless sport headphones to maximize each and every workout, with JBL technology and sound - Detailshot 1
UA Project Rock True Wireless – Engineered by JBL - Black - True wireless sport headphones to maximize each and every workout, with JBL technology and sound - Hero

UA Project Rock True Wireless – Engineered by JBL

UA Project Rock True Wireless offers a truly cord-free experience built for the grind. UA Storm waterproof technology and Antibacterial Sport Flex Fit ear tips were crafted specifically for all-condition training while the JBL Charged Sound was boldly optimized and tuned with rich bass for motivation. Hear your surroundings with Bionic Hearing featuring TalkThru Technology for quick conversations with just one touch, and AmbientAware Technology to hear your surroundings for increased safety. With up to 25 hours battery life and a rugged aluminum charging case, these headphones truly break the limits.

Product Specifications

General Specifications

Weight (g) 115g
Included charging cable, ear fit tips
Transducers JBL 5.8mm dynamic drivers and four JBL microphones
Frequency response 20Hz - 22kHz
Sensitivity 95 dB@ 1kHz/1mW
Maximum SPL 113dB
Microphone sensitivity -25dBV@1kHz/Pa
Impedance 14ohm
Charging case battery life Up to 20 hours
Charging case charge time 2 hours from empty

Audio Specifications

Driver sensitivity at 1kHz/1mW (dB) 95
Dynamic frequency response range (Hz) 20Hz – 22kHz
Impedance (ohms) 14

Dimension Specifications

Weight (g) 15
Weight (oz) .53

Control Connect Specifications

Bluetooth profiles A2DP v1.3, AVRCP v1.5, HFP v1.6
Bluetooth frequency 2.402GHz – 2.48GHz
Bluetooth transmitted modulation GFSK, π/4 DQPSK, 8-DPSK
Bluetooth transmitter power <9.5dBm
Bluetooth version 4.2
Please consult the documents for in-depth specs

Documents & Downloads

What’s in the Box

  • 1 x True Wireless Flash in-ear sport headphone
  • 1 x Protective sport charging case
  • 3 x Sizes of ear tips
  • 3 x Sizes of Freebit tips
  • 1 x Utility case
  • 1 x 12-Month MapMyFitness™ Premium membership
  • 1 x Brahma Bull Sticker
  • 1 x Quick start guide
  • 1 x Safety sheet
  • 1 x Warranty card
UA Project Rock True Wireless – Engineered by JBL - What's in the Box

FAQs & How-Tos

Headphone Support Guide

Need help to resolve some the most common headphone challenges?

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Bluetooth Pairing Guide

Do you need help with Bluetooth Pairing? This guide can help you

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