Eppfun Ak3040R Bluetooth 5.1 Receiver, With Nfc, Tf Card Slot, 3.5Mm Aux/Rca, Product Details ?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 . Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.