kz zst dd+ba heavy bass earphone headset hifi earphone iron four core control exchange bluetooth cable zsn pro zsa zs10 es4 es3

specification: product name:kz zstin-ear earphone brand: kz model: zst earphone type: in-ear impedance: 10 earphone sensitivity: 106db/mw frequency range: 20-40000hz pin type:0.75mm line length: 1203cm color: black,purple whether with cable: yes whether can replacement cable: yes return policy: 1. in case that the product you received is an incorrect one, please take ps and contact us within 30 days. we will send you a correct one. 2. in case that youre not satisfied with t...