X4 Rugged Versatility
Rugged Versatility

Custom audio, custom fit, and all-day, waterproof toughness. The advanced X4 is your trailblazing partner.

"The X4s are one of the best wireless headphones for running, hiking and mountain biking."
Your Music, Your Way
Customizable EQ
Create unique, personal sound profiles and save them to your buds.
Share and Explore Playlists
Sync your Spotify account and swap favorite tracks with the Jaybird community.
Support at Your Fingertips
Locate lost headphones, dial in your fit and more.

Customizable EQ
Create unique, personal sound profiles and save them to your buds.
Your Music, Your Way
Share and Explore Playlists
Sync your Spotify account and swap favorite tracks with the Jaybird community.


Support at Your Fingertips
Locate lost headphones, dial in your fit and more.
In the Box

- X4 Wireless Sport Headphones
- Silicone Ear Tips 1/2
- Comply Ear Tips 1/2
- Ear Fins 1/2/3
- Charge Cradle with USB Cable
- Shirt Clip
- Speed Cinch
- Carry Pouch
Tech Specs
AUDIO
- 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
BATTERY
- 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 500mA
- Type: Lithium Ion
- Battery voltage: 3.8V
- Energy voltage in watt hrs per battery: 0.2wh
- *May vary dependent on usage, device & aging
BLUETOOTH
- Bluetooth version: 4.1
- Frequency band: 2.4 GHz
- Profiles: Handsfree , Headset , A2DP , AVCRP , SPP
- Wireless range: Class 2 standard range 10m/33ft
INTEGRATED MICROPHONE
- Type: MEMS, omni directional
- Sensitivity: -38dB +-3dB (Test conditions: 94dBV/Pa SPL, 1KHz, A-weighted)
COMPATIBLE PRODUCTS
- 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
Compare headphones
Price
Colors
-
Nimbus Gray
Durability
- Sweat & Waterproof (IPX7)
- -
Fit
- Interchangeable Soft Silicone Gels
- -
Music + Calls
- Yes
- -
Custom Sound with Jaybird App
- Yes
- -
Playtime on Buds
- 6 Hours
- -
Charge Case
- + 10 Hours
- -
Fast Charge
- 5 Min Charge = 1 Hr Playtime
- -
Price
Colors
-
Black/Flash
Durability
- Sweat & Waterproof (IPX7)
- -
Fit
- Interchangeable Soft Silicone Gels
- -
Music + Calls
- Yes
- -
Custom Sound with Jaybird App
- Yes
- -
Playtime on Buds
- 14 Hours
- -
Charge Case
- No
- -
Fast Charge
- 5 Min Charge = 2 Hr Playtime
- -
Price
Colors
-
Jet
Durability
- Sweat Proof & Water Resistant
- -
Fit
- Interchangeable Tips & Fins
- -
Music + Calls
- Yes
- -
Custom Sound with Jaybird App
- Yes
- -
Playtime on Buds
- 4 Hours
- -
Charge Case
- + 8 Hours
- -
Fast Charge
- 20 Min Charge = 1 Hr Playtime
- -
Price
Colors
-
Black Metallic/Flash
Durability
- Sweat & Waterproof (IPX7)
- -
Fit
- Interchangeable Tips & Fins + Comply Foam Tips
- -
Music + Calls
- Yes
- -
Custom Sound with Jaybird App
- Yes
- -
Playtime on Buds
- 8 Hours
- -
Charge Case
- No
- -
Fast Charge
- 10 Min Charge = 1 Hr Playtime
- -
Price
Colors
-
Nimbus Gray/Jade
Durability
- Sweat & Waterproof (IPX7)
- -
Fit
- Interchangeable Soft Silicone Gels
- -
Music + Calls
- Yes
- -
Custom Sound with Jaybird App
- Yes
- -
Playtime on Buds
- 6 Hours
- -
Charge Case
- No
- -
Fast Charge
- 10 Min Charge = 1 Hr Playtime
- -