[Three-in-one design]: Support Bluetooth receiving (), Bluetooth transmitting (TX), FM transmitting mode. Equipped with a high-definition LED display, the working status and Bluetooth mode are clear at a . Equipped with multi-function keys, one key to switch modes, or play/pause music, easy to operate. Support wireless to music, hands-free calling, navigation, making your driving [High Fidelity Surround Sound]: Built-in a of Bluetooth 5.1 chip, the transmission is stable and fast, and it refuses to . Equipped with a DSP digital audio processor chip, the high and low pitch can be manually adjusted to make the sound clearer and enhance the surround sound. Equipped with lossless transmission technology and intelligent noise reduction system, the audio details are more dynamic [Remote wireless connection]: The Bluetooth receiver adopts the latest version 5.1 Bluetooth wireless communication standard, and an external 2.4G Bluetooth signal transceiver antenna. Bluetooth-free connection with a maximum distance of 30 /100 feet, stable transmission, clear and noise-free [New upgrade function]: Upgrade the wireless connection technology of NFC function. When the mobile phone is to the sensing area, it can be connected automatically. Note: The mobile phone must support the NFC connection function. 6.5mm interface microphone can be connected externally. Infrared remote control can realize microphone volume/mixing/muffling and other operations, enjoy music anytime, anywhere [Multiple audio modes]: Support Bluetooth audio and FM radio sound signal sending and receiving, support TF/USB playback, MP3//FLAC/WAV/WMA and other audio formats. Material: Plastic colour: black Package Contents: 1 x Bluetooth Audio Adapter 1 x Remote Control 1 x Audio Cable 1 x RCACable 1 x Type C Charger Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.