Features: Bluetooth Wireless TransferJust pair your device with the Bluetooth audio adapter, no matter you are using old speakers, old stereo or car audio system, you can easily connect the Bluetooth audio receiver with 3.5mm or RCA cable Music becomes wireless music. [Equipped with TF card slot] The Bluetooth stereo receiver adapter is equipped with a TF card slot (maximum support 64G) and Bluetooth mode. You can choose to play your favorite songs from your smart device or TF card Stable Connection and Subwoofer ModeWith Bluetooth 5.0, the Bluetooth stereo receiver provides a more stable connection without lag or lag. The 3D button is designed for bass-heavy mode, providing powerful and heavy music in addition to crystal clear sound. Wide CoverageBluetooth stereo receiver can cover a range of 15M, and the connection is stable. No longer limited by cables, providing you with more convenience and a smooth and enjoyable music experience Bluetooth solution: 5.0 EDR, A2DP, HSP, AVRCP Frequency: 2.4GHz-2.48GHz Bluetooth receiving distance 10 meters Charging voltage: DC 5V Bluetooth receiving function: connect 1 mobile phone Accessories: Host*1, AUX audio cable*1, RCA audio cable*1, Type-C power cord*1, manual*1 Colour: Black Delivery Quantity: 1 Piece Warm prompt: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding 3. Only the above package contents, excluding other products.