Product Features:

1. This is come to China\'s famous earphone brand HCK \'s latest design.

2. It is the HCK custom UE headphones， its shape production process is very unique， with the ear canal， without the need to tighten the plug， there is no sense of oppression. Also has good noise reduction effect.

3. Special custom 8mm+10mm double dynamic unit t， the precious metal beryllium plating on the PEEK film， suggesting the rigidity of the diaphragm， voice and the sound of the high pitch can be smooth， better resolution and sound field.

4. MMCX interface design (general Shures type)， easy to change and upgrade wire to meet customer\'s personalized requirements， everyone is a tuner.

Specification:

1. Product Name: HCK UEs Custom Made In Ear Earphone

2. Product Type: Custom Made MMCX

3. Drive unit: HCK Custom made double dynamic unit (8mm+10mm)

4. Brand: HCK

5. Model: UEs

6. Headphone type: In ear type

7. Impedance:16Ω

9. Headphone sensitivity:103dB±3dB

10.Frequency range: 18-22000Hz

11.Lowest power: 8MW

12.Distortion: <1%

13.Interface: 3.5mm Gilded

14.Cable Length: 1.2m±5cm

15.Color: Black，Red，Blue

16.Whether with headphone cable: Yes

New HCK UEs Custom Made Double Dynamic Drive Unit In Ear Earphone HIFI Monitor Sports Headphone With MMCX Cable Free Shipping

Shipment:

1. Items will be shipped to your Aliexpress profile address， Please ensure that your shipping address is full and correct.

2. When order total amount over 300$， order will be shipped free by EMS， DHL or FEDEX according to buyer\'s requirement， 5-10 working days\' estimated delivery time.

3. Orders are shipped in default by China Post Air Mail. about 10-35 working days to most countries & areas. For remote countries， it will be much more longer time to arrive. Please understand!

4. Any problem， please feel free to contact us before you leave a feedback， we will do our best to resolve it. Thank you!

Return policy:

1. In case that the product you received is an incorrect one， please take photos and contact us within 30 days. We will send you a correct one.

2. In case that you\'re not satisfied with the product while it is in good condition， please return it to us within 30 days， and buyer pays for the return shipping fees. Then We will either send you a new one or give your money back.

3. In case that the product you received were defective， please contact us within 30 days after you receive the order， we can either give your money back or send a replacement to you.

Feedback:

1. Your satisfaction and positive feedback is very important to us， please leave positive feedback and 5 stars if you are satisfied with our items and service.

2. If you have any problems about our items and service， please do not hesitate and feel free to contact us before you leave negative feedback. We will do our best to solve any problem and provide you the best customer service.