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Specification
1. Product Name: Original KZ ZST In-ear Earphone
2. Brand: KZ
3. Model: ZST
4. Earphone type: In-ear
5. Impedance: 16¥Ø
6. Earphone sensitivity: 120dB/mW
7. Frequency range: 20-22000Hz
8. Interface: 3.5mm Gilded
9. Plug Type: L curved
10.Cable Length: 1.2m±3cm
11.Color: Black
12.Whether with mic: Optional
13.Whether can replacement cable: Yes
14.Driver unit: 1DD+1BA hybrid driver unit
Russian Buyers Note
Due to the Russian delivery rules, please be sure to read the following points.
1. Please provide the correct full name (including middle name).
2. Correct phone number.
3. Correct house number.
4. Usually the parcel will be deliver to a nearby post office,you need to go to the post office to take the package.
Business Hours
Time in China
AM 09:00~12:00
PM 14:00~18:00
Logistics Delivery
1.We Ship to Worldwide by Standard Shipping.
2.Items are shipped from China using Registed Air mail,Can be always tracking online , reach most of the countries within 10 to 30 business days.The pacel also could track at this tracking web:global.cainiao.com
3.Delivery time depends on different Country zone and other factors like Customs checking , Weather, Local Post working efficiency, it may takes up to 40 business days.
Product Service
1.We provide 15 days replacement service.
2.We also provide 12 months of maintenance.
3.If any part needs to be replaced, the buyer should also pay for the replacement part. As soon as we receive the item, we will repair or replace it as soon as possible.
4.Before returning goods, please confirm return address and logistics method. After giving the item to the logistics company, please send us the tracking number.
5.The buyer should return the product to us under the original conditions and should bear the transportation costs of the return.
6.We can\`t offer warranty service for products which have Man-made damage, including but not limited to: bumped by user / fall in water by user / disassemble by user / other man-made damage detected by the official service center.
7.earphones prevail in kind, pictures are for reference only.
Service Rating
1.Your satisfaction and positive feedback is very important to us.
2.Please leave positive feedback and 5 stars if you are satisfied with our items and services.
3.If you have any problems with our items or services, please feel free to contact us first before you leave negative feedback.
4.We will do our best to solve any problems and provide you with the best customer services.
Payment Related
1.We accept alipay here. AliExpress supports Visa, MasterCard, Maestro Debit Card, Western Union, and wire transfer via banks. To learn more about payment methods on AliExpress, please refer to .