The BT 01 is a Bluetooth microphone from AnyTone. It is suitable for use with the AnyTone D578UV, D578UV PRO and D578UVII PRO transceivers. It features a 2.5-inch color screen, built-in speaker and microphone, and a keyboard. It can operate wirelessly via Bluetooth or wired with the supplied spiral cable. It is also ideal for use in demanding conditions with up to 12 hours of autonomy and can be charged via USB-C.