<ul><li><p>This is a dual-port audio output home Bluetooth audio receiver, supporting TF card, U disk playback, hands-free call, NFC connection</p></li><li><p>Industrial-grade power isolation module is used to solve the noise interference</p></li><li><p>This product is connected to your speaker (3.5 or RCA) interface through the (3.5 and RCA) audio interface, instantly turning your ordinary speaker into a Bluetooth speaker</p></li><li><p>Compact and stylish, pairing with the product through Bluetooth devices (mobile phones, tablets, etc.) allows you to enjoy the music feast brought by Bluetooth transmission at any time</p></li></ul><p><strong>Specification:</strong></p><ul><li><p>Model: BX20</p></li><li><p>Support equipment: support two mobile phones to connect</p></li><li><p>Bluetooth version: 5.0</p></li><li><p>Output interface: 3.5mm stereo RCA left and right channels</p></li><li><p>Function: TF, U disk, hands-free call, NFC connection</p></li><li><p>Bluetooth protocol: AVRCP, A2DP</p></li><li><p>Frequency range: 2400-2483.5MHz</p></li><li><p>Frequency response: 20Hz-20kHz</p></li><li><p>Output power: 28mW RL=16Ω</p></li><li><p>Signal to noise ratio: &gt;90dB</p></li><li><p>Total harmonic distortion: &lt;0.1%</p></li><li><p>Support SBC, AAC</p></li><li><p>Forward transmission distance: 10 meters</p></li><li><p>Support Micro USB interface 5V power supply</p></li></ul>