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  4. CIO (CIO) is what kind of manufacturer? Which country? This solves those questions!

CIO (CIO) is what kind of manufacturer? Which country? This solves those questions!

2025 12/22
Gadget Cable Mobile battery Charger Brand and Manufacturer Survey
CIO Which country?
Dec 22, 2025
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Recently, a gadget manufacturer called CIO has been rapidly gaining popularity.
If you are looking for smartphone accessories or chargers, you have probably come across it at least once.

But, many people probably have questions like, “What country is CIO from?” and “What are its features?”. This article will thoroughly explain CIO’s country of origin, history, features, and recommended products!


Here is a brief summary of the key points:

What is CIO?
  1. A manufacturer from Osaka, Japan
  2. High-performance chargers using GaN technology
  3. Product development focused on the user’s perspective
  4. Stylish and simple design
Written by Mr. Gadget
  • Studied under Million-selling singer Masatoshi Ono, who has performed at the Kohaku Uta Gassen
  • Has experience supervising Ameba Choice and WEB media Picky’s
  • Individual member of the General Incorporated Association of Word-of-Mouth Marketing
Thank you!
  • This article is based on information provided by the manufacturer.
    Please note that this site is not responsible for any inaccuracies in this information.
【CIO(シーアイオー)】各種販売Websiteへはこちらから
AMAZON
楽天
Pochipp
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What country is CIO from?

CIO is a manufacturer from Japan (Osaka)

Light green charging cable, charger, and two mobile batteries with straps
Source: CIO Official Website

CIO is a Japanese manufacturer! Its official name is CIO Co., Ltd..
The headquarters is located in Osaka Prefecture, and product development and quality control are carried out in Japan. Although the name CIO may make you think it’s a foreign manufacturer, it’s actually a company that values Made in Japan quality.

In addition, it specializes in charging-related products, and its high-performance, compact products using GaN (gallium nitride) technology are popular.

Ms.Gadgets

It’s inspiring to see a manufacturer from Osaka aiming for the world!

Mr.Gadgets

Just knowing it’s a Japanese manufacturer gives it a friendly feel in the gadget industry, which is dominated by foreign brands.

Mistergadget
CIOのRecommendedChargersSummary|厳選ラインナップ! CIOChargers選びに迷ったらこのArticles!CIOのChargersを徹底解説します. コンパクトモデルから高出力タイプ, 据え置き型まで, あなたにぴったりの1台が見つかります.

CIO’s History

CIO was founded in 2017, making it a relatively new gadget manufacturer.
However, its growth rate is astonishing! It has gained many fans in just a few years in the fields of smartphone chargers and mobile batteries.

Ms.Gadgets

Amazing entrepreneurial spirit!

CIO has achieved rapid growth in just a few years since its founding. Here’s a timeline of CIO’s progress:

【CIO(シーアイオー)】各種販売Websiteへはこちらから
AMAZON
楽天
Pochipp

CIO Timeline

YearEvents
2017CIO founded. Business started in Moriguchi City, Osaka Prefecture.
2019Expanded sales channels mainly to home electronics retailers and home centers
2020Established the Overseas Sales Promotion Department with the aim of expanding overseas.
2022The high-output charger “NovaPort” series was born.
Acquired numerous best-selling products on Rakuten and Amazon.
2023Grew into a company with a large share of the USB-C fast charger market.
  • This article is based on information provided by the manufacturer.
    Please note that this site is not responsible for any inaccuracies in this information.

The following are recommended articles!

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CIO’s Features

Utilizing GaN technology for compact and high-performance chargers

Hand putting a black mobile battery into a jeans pocket
Source: CIO Official Website

Many of CIO’s chargers and mobile batteries are small, lightweight, and powerful. In particular, the chargers using GaN (gallium nitride) technology are gaining popularity for being compact yet capable of fast charging.

  • Benefits of GaN chargers:
    • Compact size
    • High output and fast charging
Mistergadget
CIOのRecommendedChargersSummary|厳選ラインナップ! CIOChargers選びに迷ったらこのArticles!CIOのChargersを徹底解説します. コンパクトモデルから高出力タイプ, 据え置き型まで, あなたにぴったりの1台が見つかります.

User-focused product development

CIO values user feedback and incorporates it into its product development. It often uses crowdfunding to create new products with its users.

Mr.Gadgets

CIO often uses crowdfunding!

【CIO(シーアイオー)】各種販売Websiteへはこちらから
AMAZON
楽天
Pochipp

Stylish and simple design

The design is minimalist and simple. It has an attractive design that appeals to gadget lovers.

Ms.Gadgets

Compact, high-performance, and good design!

The combination of a simple appearance and high performance is CIO’s appeal.

  • This article is based on information provided by the manufacturer.
    Please note that this site is not responsible for any inaccuracies in this information.

Recommended CIO Products

Chargers

When choosing a charger, it’s important to balance “output,” “size,” and “number of ports.” CIO offers a wide range of compact and high-performance chargers, allowing you to choose the best model for your needs.

This article introduces CIO’s representative chargers with a one-sentence catchphrase for each use case.
Specifications and pros and cons are summarized, so please find one that suits your usage scenario.

Mistergadget
CIOのRecommendedChargersSummary|厳選ラインナップ! CIOChargers選びに迷ったらこのArticles!CIOのChargersを徹底解説します. コンパクトモデルから高出力タイプ, 据え置き型まで, あなたにぴったりの1台が見つかります.

SMARTCOBY Series (Mobile Batteries)

The “SMARTCOBY” series is thin and lightweight, making it convenient to carry, and is compatible with smartphones as well as laptops.

Black and white SMARTCOBY Pro SLIM Cable, a thin mobile battery
Source: CIO Official Website
A black portable charger compared to a one-yen coin, showing how thin it is
Source: CIO Official Website
  • SMARTCOBY Pro SLIM Cable 35W (10000mAh, thin)
Mr.Gadgets

A design that fits easily into the gaps in your bag!

Mistergadget
【2025年9月最新】Chargersは2000円以下で!1000円台のRecommended4選Rankings 2000円以下の高コスパChargersを厳選!1000円台のRecommended急速ChargersRankings. スマホ, iPad, MacBook Air対応のPDChargersや小型軽量モデル, PSE認証で安心のACアダプタも. …
White and black SMARTCOBY TRIO 67W, a 10000mAh size with a 20000mAh capacity and 67W high output, with a digital remaining capacity display
Source: CIO Official Website
A comparison of the world's smallest portable charger to a credit card
Source: CIO Official Website
  • SMARTCOBY TRIO 67W (USB-C x 2, USB-A x 1, 20000mAh)
CIO SMARTCOBY TRIO 20000mAh 65W Portable Chargers 大容量 小型 急速充電 PD 3ポート iPhone/Android/Macbook M3 / iPad Type-C USB-C USB-A パススルー PSE認証品 (ホワイト)
CIO
See Reviews
Amazon
\ポイント最大11倍!/
Rakuten
\ポイント5%還元!/
Yahoo Shopping
Pochipp

Convenient Accessories

A black spiral silicone cable that can be magnetically bundled
Source: CIO Official Website
A green USB cable that can fast charge a laptop with 240W of power and transfer data
Source: CIO Official Website
  • Spiral Silicone Cable (Tangle-resistant & Durable)
CIO 柔らかいスパイラルシリコンケーブル CtoC (Type-C/USB-C) 急速充電 磁石 マグネット吸着 充電ケーブル PD 240W データ転送 480Mbps 形状記憶 絡まりにくい (1m, 05:モスグリーン)
CIO
¥2,180 (2026/03/17 23:48時点 | Amazon)
See Reviews
Amazon
\ポイント最大11倍!/
Rakuten
\ポイント5%還元!/
Yahoo Shopping
Pochipp
  • Hot Eye Mask (Adopts graphene heater with three-stage temperature adjustment)
A woman lying on a sofa wearing a cordless hot eye mask
Source: CIO Official Website
An orange graphene heater visible in the eye mask
Source: CIO Official Website
CIO ホットアイマスク 充電式 コードレス 交換式 外付け Portable Chargers 3段階温度調節 グラフェンヒーター マスクカバー取り外し 保湿シート付属 軽量 自動タイマー (01:HOT EYEMASK)
CIO
¥5,382 (2026/03/23 07:48時点 | Amazon)
See Reviews
Amazon
\ポイント最大11倍!/
Rakuten
\ポイント5%還元!/
Yahoo Shopping
Pochipp

Summary

CIO is a Japanese manufacturer known for its compact and high-performance products.
The company’s rapid growth is due to its user-focused product development.

Ms.Gadgets

If you’re looking for next-generation gadgets, pay attention to CIO!

Thank you for reading until the end!

  • This article is based on information provided by the manufacturer.
    Please note that this site is not responsible for any inaccuracies in this information.
  • Product prices and information are current as of the date of writing.
  • Product and service names mentioned in this article are trademarks of their respective companies.

This article was originally written in Japanese and has been translated.

Gadget Cable Mobile battery Charger Brand and Manufacturer Survey
CIO Which country?

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