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Ships within 48 hours · Estimated delivery Jul 4 - Jul 9
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Description
KZ ZSN Circle Iron Moving Iron Quad-core Wired Control In-ear Mega Bass HiFi Earphone with Microphone1. The combination of aviation aluminum alloy and resin, combined with the bright colors of fashion, make the overall appearance of the texture. 2. The second generation ring iron hybrid drive, once again enhances the sound detail expression, has the shocking low frequency of the moving coil unit, and also has the powerful high frequency of the moving iron unit. The analysis is more rich and delicate, rolling traditional single action ring headphones.
1. The combination of aviation aluminum alloy and resin, combined with the bright colors of fashion, make the overall appearance of the texture.2. The second-generation ring iron hybrid drive, once again enhances the sound detail expression, has the shocking low frequency of the moving coil unit, and also has the powerful high frequency of the moving iron unit. The analysis is more rich and delicate, rolling traditional single-action ring headphones.
3. The sound that the dynamic circle ca not show, the moving iron is supported by the compensation, and the professional-grade sound quality is presented.
4. The four-layer voice coil brings a stronger driving force, the low frequency is powerful, the sound field width is extended, and the overall hearing is more appealing.
5. Professional electronic crossover tuning technology. The precise internal acoustic structure design and subtle circuit optimization can separate the two sounding units separately. The moving iron is responsible for interpreting the middle and high-pitched parts, and the moving coil is responsible for interpreting the subwoofer to achieve balanced, clean and detailed sound quality. .
6. Improved 0.75mm gold-plated 2 Pin plug-in structure, limit slot protection design, effectively protect the needle to prevent breakage, extend the number of interface insertion and removal and service life.
7. Assemble the Bluetooth module (sold separately) and change into the Bluetooth headset in seconds. Assemble the upgraded wire (sold separately) to improve the sound quality of the headphones.
8. 26dB noise reduction, no reducing passion. Wearing the headphones correctly without playing music can directly isolate the noise of about 26dB, so that you can listen to the music details in a noisy environment, and also better protect your hearing.
9. Durable wire, providing excellent sound quality signal transmission, anti-pull, anti-bending, anti-corrosion.
10. Ergonomic and acoustic structural features for comfortable and stable wear, long-wearing and painless.
11. Three stainless steel screw-mounted headphone body, exquisite and durable.
12. High-definition condenser microphone, support standard (American standard) interface system mobile phone HD call, short press: answer, press: hang up, long press: reject, short press: pause / play, double press: next Qu, double press: the last song.
Product parameters:
1. Sensitivity: 104dB.
2. Impedance: 25 ohms.
3. Frequency response range: 20-40000Hz.
4. Plug type: 3.5mm, pin type: 0.75mm.
5. Cable length: 120-130cm.
6. Product weight: 20-26g.
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 2053 reviews
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Product Reviews
★★★★★ 5
Effective!
Works so well! Using on face, for crows feet, 11 lines, forehead and especially under eyes. It is reducing pores, diminishing fine lines and wrinkles, and giving glowing skin. Also using on elbows, wrinkled hands, and an old scar on my foot. My hands are plumping up and looking more youthful. The dark spots, discoloration and scar are fading and I’m sure will be fine with continuing use.
A word of caution though - don’t use on eyelids because it will break off, thin out and damage eyelashes.
I found that out the hard way and am now using lash serum to grow my once naturally long and healthy eyelashes back. They became half the length, much thinner and brittle.
But skin is looking good and folks are starting to comment! Only use around the orbital bone and avoid the lash lines!
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Ladies! Get this!! Especially if you're beginning to get wrinkles!
Im new to serums. Im 43 with problem skin, acne scars, and early signs of aging. I did a lot of research on what vitamins my skin is missing at this age and with my health issues. Everything pointed to topical retinoids and niacin. I am an absolute skeptic when it comes to the skin claims. I figured the price is right for something I can try for the first time ever. First off: the bottle is huge. Its simple and well packaged. It doesn't have any weird scent. Its yellowish but so are b vitamins so 🤷. Second: i put this on after showering and patting dry. Its definitely something to apply in the morning as it leaves your skin feeling very dewy. I rub in all over my neck and face, really working it into my crows feet and frown lines.
Third: you will have glass skin alone with this but you should still apply a sunscreen.
In about 3 weeks ive noticed 1 how soft and supple my skin is, how much my skin literally glows, my skin tone is more even, my acne has almost completely cleared. 1 month later of using 4 pumps daily and I still have over half the bottle left. Im sold. This is a game changer in my over 40 skin routine.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Excellent beauty product for mature skin
I have gotten at least four or five of my friends to use this product. It is by far one of the best serums that I’ve used. I think the most noticeable difference is the firming and plumping of my skin and the reduction of fine lines and large pores, especially on my forehead. I will definitely continue to use this. Once a day at bedtime seems to be enough and plenty and for the price it’s a large bottle and it seems to last a long time. It’s a great deal.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Definitely give it a try!
This product is fantastic! The bottle is huge, and even with twice-daily use (two pumps each time, enough to cover my face, neck, and chest), it lasted me an impressive eight months. I just ordered my second bottle.
The retinal formula is incredibly gentle and is the only retinal product I’ve tried that doesn’t irritate my highly sensitive skin. It’s lightweight, absorbs quickly, and leaves my skin looking smooth, plump, and healthy. I highly recommend it!
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Clean Formula Deodorant with a More Natural Feel and Strong Performance
Scent: Neroli & Basil, Size: 2.6 Ounce (Pack of 1)
I really like the clean feel and the scents are honestly a standout—they feel more like a light perfume than a typical deodorant. The application is smooth and it looks and feels like a more “luxury” product.
That said, it doesn’t consistently hold up throughout the day for me, especially on busy or long days. It works okay for lighter wear, but I expected a bit more reliability for the price and hype.
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Reviewed in the United States on May 3, 2026