Jaybird X4 Wireless In-Ear Headphones (Storm)

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The all new Jaybird X4 is the latest evolution of our do-it-all wireless headphones designed for the all-around runner and outdoor athlete—from trail runs and mountain bike rides to summit scrambles and deep powder days, the go-anywhere X4 is as versatile as you are.

A crisp, clear and uncompromising soundtrack for your adventure, with fully adjustable EQ in the Jaybird app.

Fully weatherproof, IPX7 construction to handle adverse conditions and Type-II fun.

Your ears, your headphones. Interchangeable fins and tips offer fine-tuned fit and security.

Fast-charging, 8-hour battery won’t run out of energy before you.

Key features

  • 8 hours playtime
  • Sweat & waterproof (ipx7)
  • Sport fit plus - over or under ear
  • Comply ultra foam tips
  • Premium sound with custom eq
  • Music & calls

Technical Specifications

Audio & Microphone

  • Type: In-ear style
  • Noise-isolation: Passive
  • Impedance: 16 Ohm
  • Speaker sensitivity: 99 +-3dB at 1KHz
  • Output max. 10mW RMS (with level limit)
  • Total harmonic distortion <5% (1KHz, 1mW)
  • Audio format: 16-bit stereo
  • Codec: Bluetooth SBC implementation and AAC
  • Response bandwidth: 20Hz - 20kHz
  • Driver size: 6 mm
  • Microphone Type: MEMS, omni directional
  • Microphone Sensitivity: -38dB +-3dB (Test conditions: 94dBV/Pa SPL, 1KHz, A-weighted)


  • Bluetooth version: 4.1
  • Frequency band: 2.4 GHz
  • Profiles: Handsfree , Headset , A2DP , AVCRP , SPP
  • Wireless range: Class 2 standard range 10m/33ft

Compatible Devices

  • Any Bluetooth device with HFP, HSP and A2DP

Weight & Dimensions

  • Headset: 545mm x 13mm x 24.2mm
  • Controller: 42.5mm x 11.6mm x 5.3mm
  • Charger: 98mm x 18.1mm x 9.6mm
  • Weight of headphones (without fins and tips): 14.7g
  • Weight of charger: 5.5g


  • Play time: 8 Hrs*
  • Charging time: 2 Hrs
  • Quick charge: 10 min = about 1 hour play time
  • Charging: Via USB charging cable with Pogo pin connector
  • Input power: DC 5V 1A
  • Type: Lithium Ion
  • Battery voltage: 3.8V
  • Energy voltage in watt hrs per battery: 0.2wh
  • *May vary dependent on usage, device & aging

What's Included

  • Jaybird X4 Wireless Sports In-Ear Headphones (Storm)
  • Ear tips (sm/lg)
  • Comply ear tips (sm/lg)
  • Ear fins (sm/md/lg)
  • Charge cradle with cable
  • Shirt clip
  • Cord cinch
  • Carry pouch

1 year warranty. Headphones SG is a Jaybird authorised reseller. Only Jaybird products purchased through Headphones SG is eligible for warranty.