Samsung Galaxy S21 FE 5G SM-G990B 16,3 cm (6.4") Dual SIM Android 11 USB tip-C 8 Giga Bites 256 Giga Bites 4500 mAh Masline

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.