1>>>The Newest Bluetooth 5.0 Version: Compliant to version 5.0 specifications, backwards compatible to Bluetooth 4.2/4.1/4.0/3.0/2.0/1.0. 2>>>Supports Qualcomm® aptX™ Low Latency,aptX™ HDaptX™ Low Latency: aptX Low Latency technology eliminate Bluetooth audio delay, so you can watch TV / Movie / Video and listen to high-clarity sound in perfect synchronization.aptX™ HD: 24-bit 48Khz HD audio transmission allows you to enjoy high-quality sound. Beyond CD Sound Quality. 4>>>Universal Compatibility: This Bluetooth 5.0 Receiver can be connected to any receivers and any powered speakers with Optical/Coaxial/ standard 3.5mm jack or 2RCA ports, ideal compatible for home theaters, stereo systems, and car stereos, also suitable for iPhone, iPad,iPod Touch, Smart Phones, and Android devices. 5>>>Stream Music on 2 Speakers Simutaneously:With both 3.5mm and 2RCA connection options, you can enjoy music wirelessly on 2 speakers simulteneously. 6>>>Long-Range Wireless Connection: The wireless Bluetooth adapter supports the connection up to 25 meters, controlling the music playing in a long distance.7. WHAT IS IN BOX 1 x 3.5mm Audio Cabe1 x Micro-usb Charging Cable1 x User Manual1 x MR235 Audio Receive