PENNA Heater in Kickstarter

2 Keycaps model 

Diamond / Chrome


input recording & play

The PENNA portable pouch

Accessories made by elretron

O/S supports

windows / android / ios

support apple, samsung, etc device



Combination of past and futre

A perfect new 

Mechanical key system

Adoption of Cherry switch, known as the world’s most advanced switch technology, ensures fast and accurate typing

Macro Bar

Utilize Macro bars to save frequently used keys/ words and recall them any time by pressing the bar just once


Bluetooth 4.2

Bluetooth 4.2 with low energy requirement guarantees long idle battery time

AA 2 Battery

Designed to maintain up to 6 months of idle time with two AA-size batteries

(extra buying option)

Diamond Keycap&

Chrome keycap

Choose between 4-axis Diamond keycap for more accurate typing / Chrome keycap to maximize the retro styling

3 device paring

Registering up to 5 devices

via Bluetooth


Elretron INC.

Elretron INC. is a company specialized in general household appliances that is oriented to retro design, providing lifestyle appliances that are closely attached to customers' lives such as keyboards and kettles at reasonable prices

Elretron, which is exported not only to USA but also to many countries such as China, UK and Asia, is growing into a global company based on reliable quality.


Contact US




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