QKZ CK9 HiFi In-ear Four Unit Sports Music Headphones (Purple) Main-Security Uplink interface type: Type-C interface

Uplink interface type: Type-C interface

40HQ: 1633 cartons * 300 pcs = 489900 pcs

Weight: about 10 grams

40HQ: 2426 cartons * 50 pcs = 121300 pcs

5-inch notebook hard drive of the SATA interface (can not be used on desktop hard drives)

QKZ CK9 HiFi In-ear Four Unit Sports Music Headphones (Purple) Main-Security Uplink interface type: Type-C interface1. Quad core HD resolution The two 8mm moving coil units of the horizontal structure , strong quad core HD resolution , present CD quality sound 2. Ergonomic design comfortable to wear all day Use the huge human ear model data to design the earphone shape to you a comfortable experience 3. New acoustic tuning Powerful to restore the rhythm of the world, the iconic QKZ tuning style, true to restore all kinds of rhythm 4. Easy to operate, easy to master