Support Memory Card:NoSupport Apt-x:No Support AAC:No Model Number:NFC Bluetooth 5.0 Audio Receiver Package:No High Definition Support:None Content:AUDIO WIFI Standard:None Wireless Type:NFC,bluetooth Sound Track:Double Interface:3.5mm,USB,TYPE-C Origin:Mainland China Feature 1:bluetooth receiver Feature 2:Bluetooth Audio Receiver Adapter Feature 3:Connect two devices Feature 4:Wireless Music Streaming Feature 5:Super Stable Connection Feature 6:Support to connect with 3.5mm audio port Feature 7:For Car Kit Speaker TV Feature 8:RCA 3.5mm AUX Jack Stereo Music Wireless Audio Adapter Feature 9:Stereo Music Wireless Adapter Handsfree Call Mic For Car Kit Speaker Feature 10:built-in microphone Feature 11:Without battery (Powered by power cable) Feature 12:Type c Port 5V Features: 1. Auto On: When you connect to the power, So it's very good to use in the car or other you want it to have auto-on functions. 2. Dual Device Link: Simultaneously pair your smartphone and tablet and stream music from either one with any stereo system that supports a standard 3.5mm or RCA jack. Connect two Bluetooth devices at once to listen to music, make phone calls, and more. 3. Connect Two Devices: Support to connect with 3.5mm audio port and 2 RCA audio ports at the same time. 4. Hands-free Calling & Navigation Broadcast: A built-in microphone for hands-free calls; One simple button to answer/redial/hang up/reject calls. Besides, the Bluetooth car adapter supports broadcasting voice notifications from existed navigation App, you don't need to look down the phone to ensure safe driving. 5. Wireless Music Streaming: Stereo stream music to non-Bluetooth headphones and speakers. 6. Space-Saving Design: Ultra-compact and lightweight for convenient use with a variety of devices. 7. Super Stable Connection: Our Bluetooth audio adapter is fitted with a Bluetooth 5.0 chip for steady pairing, fast transmission and a wide signal range (33 feet). With the 3.5mm AUX port and 2 RCA port, it can be connected to non-Bluetooth car audio systems, home stereo, wired headphone/speaker, Amplifier/Home Theater, etc. Then you can enjoy wireless Hi-fi music streaming! Note: It's a Bluetooth receiver only, not a transmitter. So you couldn't use it for your TV, keyboard, mouse. 8. Auto-Connect: This Bluetooth receiver will automatically connect to the last paired Bluetooth device when you turn it on the next time. 9. 3-Key: Next song/Volume Up, Previous Song/Volume Down, Multifunction Button(MFB) 10. Upgraded to support U Disk play. Package Included: 1 x Bluetooth 5.0 Audio Receiver 1 x 3.5mm Aux Cable 1 x RCA Cable (Optional,if you not choose with RCA Cable, RCA Cable will not included) 1 x Type-C Charging Cable 1 x User Manual