Pair your smartphone with these Jaybird X4 wireless sport headphones and head to the gym or hiking trails in comfort. The thoughtful design works with music or your contact list, letting you take and make calls easily. Equipped with Comply Ultra soft tips and rated IPX7 to resist water and sweat, these Jaybird X4 wireless sport headphones create a comfortable experience with every jog or set.
Offers up to 8 hours of use on a charge. 10 minutes of charging provides a full hour of play time.
Provides protection from sweat and water, so you can easily wear headphones while working out.
Sport Fit Plus
Comfortable, versatile design runs over your ears for a secure, sport-specific fit or under for more relaxed situations.
Clear sound with custom EQ
High sound quality that's compatible with the Jaybird App to customize sound EQ and save personal settings to the buds.
Manage calls, and control and listen to music with the push of a button.
Voice assistant built-in
Convenient, one-touch access to your phone's Siri or Google Assistant manages calls while running or riding.
Speed cinch system
Allows for fast and easy adjustability.
Bluetooth 4.1 interface
Enables simple wireless pairing with your Bluetooth-enabled device.
Carrying pouch included
For easy portability.
- 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
- 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)
- Headset: 545 x 13 x 24.2mm
- Weight of headphones (without fins and tips): 14.7g
- 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