Features: (DUAL ANTENNAS&LONG RANGE)With dual antennas and class 1 Bluetooth technology, the 1Mii B06 Pro 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 Wi-Fi routers or antennas on the stereo receiver, etc. (APTX LOW LATENCY&3D AUDIO)1Mii B06 Pro Bluetooth receiver for home stereo features QCC3005 Bluetooth 5. 0 chip to ensure high fidelity Bluetooth audio signal for music streaming to speakers or home stereo systems that doesn’t have the capability. This Bluetooth adapter also supports apt-X and apt-X Low Latency (apt-X-LL). And the 3D audio can be switched on or off by pressing the “3D” button on the Bluetooth audio receiver. The green LED will be on when switched to 3D audio. (VOLUME & T...