# Battery-Shaped Mobiles The Tao Ma 'Rollphone' is the Smallest Phone to Run on AAs By Meghan Young | Published 2010-08-03 | Tech Source: Trend Hunter, https://www.trendhunter.com/trends/tao-ma-rollphone References: [thedesignblog.org](http://www.thedesignblog.org/entry/rollphone-the-smallest-phone-to-run-on-an-aa-battery/) & [taomagoods](http://www.taomagoods.com/) The Tao Ma 'Rollphone' is the smallest phone to run on AA batteries, which prolongs use without any hindrances. The Tao Ma 'Rollphone' not only takes on a cylindrical shape, but also features a flexible display that conveniently rolls up into the main body. This allows for easy storage in pockets and bags. The screen can also expand to accommodate for video chats. ## Trend Insights (Trend Hunter) - Score: 3.7/10 - Popularity: 58% | Activity: 45% | Freshness: 8% - Audience gender: 90% men, 10% women - Primary generations: Millennial, Gen X - Top markets: North America, Asia ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Tech](https://www.trendhunter.com/tech) > [Mobile](https://www.trendhunter.com/mobile) ## Key Themes ### What's Driving This Trend - **Flexible Displays:** Disruptive innovation opportunities in industries like mobile devices and wearables, where flexible displays can enable more compact and portable designs. - **Battery-powered Devices:** Disruptive innovation opportunities in industries like consumer electronics and IoT, where the use of AA batteries can increase device longevity and convenience. - **Compact and Portable Technology:** Disruptive innovation opportunities in industries like travel accessories and outdoor gear, where compact and portable technology can enhance convenience and ease of use. ### Who This Affects Most - **Mobile Devices:** The mobile device industry can explore the use of flexible displays and battery-powered devices to create more compact and versatile smartphones. - **Consumer Electronics:** The consumer electronics industry can leverage the use of AA batteries in devices to provide longer battery life and easier battery replacements. - **Travel Accessories:** The travel accessories industry can tap into the trend of compact and portable technology to create innovative products that enhance convenience for travelers. ## Related on Trend Hunter - [Innovative Size-Changing Phones](https://www.trendhunter.com/trends/motorola-rizr.md) - [Micro-Sized Smartphone Models](https://www.trendhunter.com/trends/nanophone.md) - [Micro-Sized Alt Smartphones](https://www.trendhunter.com/trends/nothing-phone-2a-micro.md) - [Mini Transparent Smartphone Concepts](https://www.trendhunter.com/trends/nothing-mini-phone.md) - [Automatically-Expanding Phone Screens](https://www.trendhunter.com/trends/rollable-screen-smartphone.md) - [Compact Pill-Shaped Power Banks](https://www.trendhunter.com/trends/portable-capsule-power-bank.md) - [Innovative Compact Smartphones](https://www.trendhunter.com/trends/compact-smartphone.md) - [Futuristic Rollable Smartphones](https://www.trendhunter.com/trends/phantom-ultimate.md) - [Reduced Connectivity Mobile Devices](https://www.trendhunter.com/trends/minimal-phone.md)