|Release date||Fourth quarter 2014|
|Display size||1 inches|
|Thickness (metric)||4.5 mm|
|Width (metric)||53 mm|
|Height (metric)||86 mm|
|Grams per cubic cm||0.15 g/cu cm|
|Base technology||GSM (850/900/1800/1900MHz)|
|SIM card type||Micro SIM|
|Memory Expansion||TF card|
|Expansion Limit||Up to 4GB|
|Battery type||Lithium-Ion (not detachable)|
|mAh per gram||11 mAh/g|
|mAh per mm thick||71 mAh/mm of thickness|
|mAh per display square in.||30mAh/sqrin.|
|Talk minutes per Ah||750min./Ah|
|Manufacture product ID||M5|
|Qualities claimed by the manufacturer||Ultra-low radiation|
No bigger than a credit card, the 4.5mm-thin Aeku M5, also known as the Twinbuys M5, makes for a secondary, apparently low-radiation (but no rating seems to be specified) call-and-text phone whose specs include a 1-inch OLED screen, an up-to-4GB microSD card slot, and quad-band GSM connectivity. It comes with a puny 320mAh battery promising an up-to-4-hour talk time and a 96-hour maximum standby time, with rudimentary features like a 500-entry phone book in the mix as well. The M5 is offered in classic black-or-white as well as bright colors like red, blue, and green.
Also known as Twinbuys M5.
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* Spec accuracy is not guaranteed. Please do a confirmation of the key specs before making a final choice. Cell phone manufacturers sometimes omit certain functions, making it difficult for us to guess whether or not a specific cell phone has a specific function. If you see an error in this spec sheet, please let us know as soon as possible.