Very rare limited Kumi Koda edition of the headphones featuring her logo on the earbuds and face on the package.


The package originally came unsealed. Brand New Earphones. I never used them and kept them for the collection.


Koi no Taubomi CD+DVD single is brand new sealed. Included bonus goods are also new & unused.


Specifications: A total of 4 microphones placed on the outside and inside of the earphones provide highly effective noise canceling performance. By canceling out noise, the sound you want to hear stands out clearly.


Spicetone® compatible, allowing you to change the sound quality to your likingZeeny ANC SpicetoneBy connecting to the dedicated app "Zeeny Assistant", you can focus on bass tones to liven up the music with sub-bass, focus on rhythm to make the rhythm stand out and make you want to dance, focus on vocals to enjoy singing, and focus on treble to enjoy the solid world of synths and guitars. You can enjoy music by switching to your favorite sound.


Customize the operation sound to your liking Zeeny ANC Voice Store


A wide variety of characters and artists. By connecting with the Zeeny Assistant app, you can change the assistant's voice that conveys important information to your favorite voice.


ambient modeBy bringing in outside sounds, you can check train guidance and surrounding environmental sounds while listening to music.


Powerful sound with 10mm graphene driverBy adopting a large-diameter 10m dynamic graphene driver equipped with a neodymium magnet, it delivers realistic sound with a wide range in addition to high sound quality with outstanding bass.


Easy connection switchingEven if you have multiple Bluetooth devices, you can easily switch connections by selecting the device. When connected from a device, it automatically switches the connection destination, such as to a smartphone when traveling or to a PC during an online meeting.


Voice notifications for smartphone notificationsBy connecting to the dedicated app "Zeeny Assistant," you can receive messages on LINE or Instagram, updates on news or stock prices, new tweets from celebrities you're interested in, and notifications about public transportation suspensions or delays. Important notifications that arrive on your smartphone, such as when something happens, will be read aloud.

Drip-proof and sweat-proof specificationsYou can use it without hesitation even during sports scenes or on rainy days.


Just touch, touch operationThe capacitive touch sensor allows operation with just a touch. Since you don't have to push the earphones in like you would with button operations, you will be freed from discomfort in your ears when operating them.


Equipped with in-house developed Zeeny firmware Nain develops its own firmware, apps, and cloud to provide Zeeny services. As a result, we are able to achieve functionality comparable to that of major manufacturers and provide a high user experience that is not possible with other companies. We will continue to respond to daily user feedback and make detailed updates to make it more convenient and easier to use, and to support new functions in the future.


In-house design in Shibuya, mass production in ShenzhenThe specifications and software for this machine are developed in-house at Nain's Shibuya headquarters. Our engineers listen directly to user feedback in the Japanese market and reflect it in development each time. Furthermore, in Shenzhen, which is the world's factory, Nein members in Shenzhen communicate directly on-site and utilize the network with the Shenzhen factory for over 6 years to develop products that are fast, low-cost, and reflect the latest technology.


Detailed specificationsMain featuresActive Noise CancellationAmbient Sound Capture ModeTouch Control Music Control (Play/Pause)cVc Noise Cancellation CallSiri/Google Assistant Control

App featuresSpicetone Sound quality settingsOperation sound switchingSmartphone notification readingfirmware update

BluetoothVersion V5.0compatible profiles A2DP, AVRCP, HFP, HSP

batteryContinuous playback time: Approximately 10 hours (*Results measured at 60%, which is the appropriate volume)Charging time: Approximately 2 hoursEarphone capacity: 85mAhCharging case capacity: 500mAh

speakerSize 10mmFrequency characteristics 20Hz – 20kHzImpedance 32Ω ± (15%)

audio codecQualcomm® aptX™, AAC, SBC

sizeEarphone body approx. 21mm x 23mm x 25mmCharging case 60mm x 29mmPackage dimensions 100mm x 200mm x 41mmEarphone body weight (one ear) Approx. 6gCharging case weight 44g

Bundled itemsUSB Type-C cable for charging ear tips (S, M, L), manual


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