Jokeri,

Not sure this may help since I'm not a guru at this stuff and I'm not sure if either fits you question, but here's two things you may want to look at.

https://www.adafruit.com/products/1697
(below may help with getting an idea how you may be able to use this)
https://learn.adafruit.com/getting-started-with-the-nrf8001-bluefruit-le-breakout


https://www.adafruit.com/products/1535
(below may help with getting an idea how you may be able to use this) https://learn.adafruit.com/introducing-bluefruit-ez-key-diy-bluetooth-hid-keyboard