Support one-to-two connection, connect two Bluetooth devices. When transmitting, you can connect two Bluetooth headsets/speakers at the same time to share happiness. When receiving, you can connect two mobile phones, switch at will, listen to music/watch movies Support aptx full series protocol, low latency + high restoration, support aptX Adaptiv adaptive, APTX HD high fidelity, ATPXLL low latency, let the audio signal enjoy good sound quality in wireless connection, X stands for aptX TX·Desktop computer upgrade, wireless connection Bluetooth, hot spot classification, wired to wireless, more convenient operation and connection, high-definition stable transmission, support aptx-LL low latency, experience beautiful sound quality All interfaces are available, receiving/transmitting two-in-one, rich in multiple interfaces, powerful functions, receiving/transmitting two-in-one, meet the needs of various audio devices Immersive music, professional-level restoration of lossless sound quality, the carefully designed architecture combines advanced technologies, all to provide a lossless audio experience, feel the charm of truly immersive sound quality Product name: Qualcomm Bluetooth audio adapter Bluetooth version: V5.3 Transmission distance: 30m (barrier-free) Input power: DC 5V Power supply: Type-c interface Product function: Bluetooth reception/transmission Product adapter interface: AUX, RCA, USB-C Bluetooth decoding: SBC/AAC/Aptx/HD/LL Colour:Black Material:ABS Package Contents: 1 x Bluetooth Audio Adapter 1 x Charging Cable 1 x Audio 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.