MP3 players with Bluetooth 5.4

Bluetooth v 5.4

— bluetooth v 5.4 was introduced in early 2023. This version increased the range and data transfer speed. Additionally, in Bluetooth v 5.4 the energy-saving BLE mode was enhanced. This protocol version uses new security features to protect data from unauthorized access, offers improved connection reliability by selecting the best channel for communication, and prevents connection losses due to interference.