Reetle SmartInk I is an iPhone case with e-ink display
The REETLE SmartInk I is an iPhone case with an integrated e-ink display at the back that allows users to flip their device and read books without the screen glare. A multipurpose accessory, the embedded gadget is powered by AI and can also record audios and translate them into texts on its own. As an e-ink reader, the second screen uses low-power technology that shows text clearly without using much battery. The display allows the user to read documents, articles, and notes without opening the main phone screen and even in brightly lit environments.
Other than reader, users can also use its AI system for reading support. This means that the iPhone case with e-ink display can summarize text and highlight key points in books and reading materials, as well as organize them into bullet points. These tools are directly on the screen, so users can work with the content without leaving the reading view. Because of its low-power use, the screen is activated for both reading and recording for up to ten hours of use.
all images courtesy of REETLE
Second screen at the back of user’s smartphone
REETLE’s iPhone case with an e-ink display doubles as a second screen, too. In this case, users can turn it into a business card to share their contacts or even flash certain QR codes that link back to their social media and messaging platforms. Since it also has a Bluetooth and WiFi connection, content can be synced from the smartphone’s screen to the e-ink display, similar to the second monitor for laptops. Thanks to this, it’s easy to upload files on cloud folders after the users record their interviews and meetings using the case.
The body of the case includes corner guards and a layer of tempered glass to protect the phone from drops and scratches. The full thickness of the iPhone case with e-ink display is 4 millimeters, which is quite slim to make it easy to carry and hold. When not in use, the user can see their to-do tasks and even the time on the second screen, which helps them reduce their time looking at their smartphone displays, being exposed to blue light, and experiencing eye strain. So far, the team has set up a campaign with a plan to release the device in early 2026.
Reetle SmartInk I is an iPhone case with an integrated e-ink display at the back
as an e-ink reader, the second screen uses low-power display technology
the display allows the user to read documents, articles, and notes without opening the main phone screen
users can turn the display into a digital business card
project info:
name: SmartInk I
design: REETLE
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