Logitech Universal Folio with integrated keyboard for 9-10 inch tablets Fekete Bluetooth QWERTZ Német (920-008337)

Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances (using short-wavelength radio transmissions in the ISM band from 2400–2480 MHz) from fixed and mobile devices, creating personal area networks (PANs) with high levels of security.