Huawei FreeBuds 5i Headset True Wireless Stereo (TWS) Hallójárati Hívás/zene Bluetooth Fekete (hua55036653)

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.