Features: [Bluetooth Wireless Transfer] Pair your device with the Bluetooth audio adapter to connect to older speakers, stereo systems, or car audio setups, turning your music into wireless playback. [Equipped with TF Card Slot] The Bluetooth stereo receiver includes a TF card slot (supports up to 64GB) and Bluetooth mode, allowing you to play music from your smart device or directly from a TF card. [Stable Connection and Bass Mode] Featuring Bluetooth 5.0, this receiver ensures a stable connection with minimal latency. The 3D button enhances bass response, delivering rich, powerful sound with clear audio quality. [Wide Coverage] The Bluetooth stereo receiver offers a wireless range of up to 15 meters with a stable connection, freeing you from cables and providing a seamless music experience. Product Parameters: 1. Bluetooth Solution: 5.0 EDR, A2DP, HSP, AVRCP 2. Frequency Range: 2.4GHz2.48GHz 3. Bluetooth Range: Up to 10 meters 4. Charging Voltage: DC 5V 7. Bluetooth Function: Connects to one mobile phone at a time