Wireless adapter NFC Bluetooth receiver 5.0 3,5 mm AUX RCA USB low latency Description: A: When connected to power, it is very well suited for use in the car or other where you want to have features. Dual: Pair your smartphone and tablet simultaneously and stream music from any stereo system with a standard 3,5 mm or RCA jack. Connect two Bluetooth devices at the same time to listen to music, make phone calls, and more. Connect two devices: support connection to 3,5 mm audio port and 2 RCA audio ports at the same time. Hand calls: Built-in microphone for hands-on calls; simple button for answering/re-dialing/disconnecting rejected calls. Plus, with a Bluetooth car adapter emitting voice notifications from your existing navigation app, you don't have to look down on your phone to ensure safe driving. Stable connection: Our adapter Bluetooth audio is equipped with Bluetooth 5.0 chip for stable pairing, fast transmission and wide range (33 feet). Thanks to the AUX 3,5 mm port and 2 RCA ports, it can be connected to non-Bluetooth car audio systems, home stereo system, wired headphones/speakers, amplifier/ Theater. etc . Then you can enjoy wireless music! So you couldn't use it for TV, keyboard and mouse Specification: Name: Adapter USB Bluetooth Bluetooth version: 5.0 Effective distance: 10 meters Material: ABS Size Chart: 110x70x30mm/4,33x2,76x1,18 inch The package includes: 1 piece. Adapter Bluetooth audio receiver 1-part instruction manual 1 piece cable 1 piece pilot