Samsung Galaxy SM-A057G 17 см (6.7") Двойна SIM карта Android 13 4G UBS тип C 4 GB 128 GB 5000 mAh Черен (SM-A057GZKVEUB)

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.