QKZ CK9 HiFi In-ear Four-unit Music Sports Earphones (Blue)

1. Quad-core HD resolution
The two 8mm horizontal structure moving coil units, strong quad-core HD resolution, present CD-quality sound
2. Ergonomic design for comfortable all-day wear.
Use the huge data of the human ear model to design the shape of the earphone for a comfortable experience
3. New acoustic tuning
Powerful to restore the rhythm of the world, the iconic QKZ tuning style, faithful to restore all kinds of rhythm
4. Easy to operate, easy to master
High-definition condenser microphone, compatible with 99% of mainstream mobile phone HD calls
5. Cable length: 1.1m