【164FT LONG RANGE】With Class 1 technology, the receiver can achieve a range of up to 164ft (50m) line-of-sight in open air and up to 50-70ft (20-30m) indoors(without obstacles).

【aptX & aptX AD & SURROUND】It features 5.3 chip to ensure high fidelity audio signal for music streaming to those speakers or stereo systems that doesn’t have the capability. It also supports aptX and aptX Adaptive. And the audio can be switched on or off by pressing the “” button on the audio receiver. The green LED will be on when switched to audio.

【POWER ON AND RECONNECT AUTOMATICALLY】When plugged into a power outlet, the Hi-Fi audio receiver can power on automatically and reconnect with the previously paired device.

【EASY SETUP, EASY TO USE】Easy plug, pair and play. This unit comes with a USB power adapter. Plug into computer speakers, stereo systems or other speaker systems via the 3.5 mm or RCA , then pair with the audio devices such as smartphones or tablet. After that, you can the music. This product is a receiver only, NOT a transmitter.

【WORKS WITH VOICE COMMANDS】Connect this adapter to your speaker via a 3.5mm jack or RCA , pair the receiver with your Echo via on the Alexa app, it is easy to control your music with voice commands. Please make sure to use the audio to connect the receiver with your speaker, not with the Echo.