Eppfun Ak3040R Bluetooth 5.1 Receiver, With Nfc, Tf Card Slot, 3.5Mm Aux/Rca, Product Features ?Wireless Audio Streaming System? The C52 Bluetooth receiver upgrades home speakers and car stereos that do not have Bluetooth function to "Bluetooth speakers", allowing you to enjoy music in your smartphone wirelessly. ?Bluetooth 5.1 technology?The C52 Bluetooth receiver incorporates the latest low energy loss Bluetooth Ver5.1 chip, which is not only compatible with older versions of the product, but also has a longer transmission distance and more than Bluetooth 4.0. Has a fast speed ?NFC Function? If you place the mobile phone in the NFC sensing area of this product after turning on the NFC function of the mobile phone, it is convenient and fast because you can connect with one touch (the mobile phone must support the NFC function). ?Product Specifications? Size (6.8 * 6.8 * 2cm), weight (45g), audio port (NFC, TF card slot, 3.5mm AUX, RCA AUX), reception distance (indoor 10m), input voltage 4.8V to 5.25V ?Easy Setup Easy to Use? Connection power supply You can connect by directly entering the pairing mode, turning on the Bluetooth of the smartphone, and selecting CB2. ?Warranty?This shop focuses on your good shopping experience, we offer a 12 month warranty and if you have any questions please feel free to contact us . 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!