Dual Antennas Long Range With dual antennas and class 1 Bluetooth technology, the 1Mii B06Pro+ Long Range Bluetooth receiver can achieve a range of up to 197ft (60m) line-of-sight in the open air and up to 50-70ft (20-30m) indoors (without obstacles).
NOTE: operation range can be affected by WiFi routers or antennas on the stereo receiver, etc.
Volume Control&LCD DisplayPress the volume button on the 1Mii B06Pro+ Bluetooth receiver to volume up and down. Press and hold the volume button for 2 seconds to do next or previous track. The LCD Display shows the song name, volume level, Bluetooth codes, etc.