Features： 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. Universal Compatibility:This Bluetooth 5.0 Receiver can be connected to any A/V receivers and any powered speakers with standard 3.5mm jack , ideal compatible for home theaters, stereo systems, and car stereos, also suitable for iPhone, iPad,iPod Touch, Smart Phones, and Android devices. Long-Range Wireless Connection:The wireless Bluetooth adapter supports the connection up to 10 meters/33 feet, controlling the music playing in a long distance. Multiple playing model:Support to play music from TF card, music time can be for 15hourscontinuously. On the model of bluetooth, the music time can be for about 20 hours. Multiple compatitable:It can work with wired earphone & headphone to achieve the handsfree perfectly. or, when use it in car, it can work through car aux and transmit the phone music to car stereo. of course, you can make it work to old speaker,tablet, laptop and the other devices as well. Package included: 1*Receiver Adapter(not included TF card)