HP ENVY 6030e All-in-One Printer Термо мастило A4 4800 x 1200 DPI 10 ppm Wi-Fi

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.