5.1 Bluetooth Audio Receiver Transmitter For, Tf Card Playback Product Features ?Bluetooth 5.1 Audio Adapter? This Bluetooth adapter adds Bluetooth functionality to your device, allowing you to enjoy wireless audio on devices that previously did not support Bluetooth, such as old stereos, speakers, TVs, in-flight entertainment devices, computers, or car stereos. You can enjoy the convenience of Bluetooth functionality without having to replace your Bluetooth device. ?Receiver + Transmitter 2-in-1? In receiver mode (RX), it can receive audio from your cell phone/tablet and play music through wired speakers/stereo. In Transmitter Mode (TX), the Bluetooth adapter plugs into non-Bluetooth devices such as TV/PC/Entertainment device/MP3/MP4 player, etc. and transmits audio to Bluetooth headphones/speakers. ?Bluetooth 5.1 and Stable Connection?The latest Bluetooth 5.1 technology with high-performance DSP decoding chip, supports high and low bass sound adjustment, lossless stereo sound, provides excellent sound quality, external antenna design, reduces signal interference, receives Bluetooth signals within 33-66 feet, provides a more stable transmission, so you can enjoy the CD-like sound quality. ?Rich Interfaces?This Bluetooth adapter supports RCA and AUX transmission with coaxial input, also can be inserted into USB and TF card, also with 6.5mm microphone connector, inserting the microphone during playback of any signal source (Bluetooth/USB/TF card), you can realize the singing, so you can enjoy the music atmosphere anytime, anywhere, it's suitable for home stereo, TV, PC , car stereo, headphones, Speaker system. ?Trustworthy After-sales Service?Once purchased, you are our honored customer, entitled to enjoy lifelong after-sales service. If you have any questions or need technical help, please contact us via Amazon message or the contact information in the user manual. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!