Logitech AXIS-524 Jaybird X4 Wireless Bluetooth Sport Earphones Neck Type IPX7 Waterproof Sweatproof 8 Hours Battery Life 100% Original

Features:
Full water-resistant (IPX7) protection for running in any weather conditions.
Sport fit versatile design runs over your ears for a secure, sport-specific fit or under for more relaxed situations.
Comply Ultra foam tips - interchangeable, thermo-reactive tips provide enhanced durability, rich sound, and conform to individual ear canals for a comfortable, secure fit.
Custom EQ sound quality is compatible with the Jaybird app to customize sound EQ and save personal settings to the buds.

Specifications:
Brand: Jaybird
Model: X4
Color: Black, Grey, Green
Battery Life: 8 H Playtime
Sweatproof/Waterproof
Custom EQ: Personalized Sound
Personalized Sound
Fit: Sport Fit Plus
Cable Management: Speed Cinch
Impedance: 16 Ohms
Sensitivity: 99±3dB 1kHz
Package Size: 12 X 5 X 4cm/4.72 X 1.97 X 1.57"
Package Weight: 190kg

Notes:
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3mm measuring deviation due to manual measurement.


Packages:
1 X Jaybird X4 Earphones
2 Sets X Comply ULtra Earmuffs: M/L
2 Sets X Oval Silicone Earmuffs: S/L
1 X USB 2.0 Charging Cable
1 X Portable Bag
1 X User Manual