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 moviesSupport 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 aptXTXDesktop 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 qualityAll 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 devicesImmersive 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 qualityProduct name: Qualcomm Bluetooth audio adapterBluetooth version: V5.3Transmission distance: 30m (barrier-free)Input power: DC 5VPower supply: Type-c interfaceProduct function: Bluetooth reception/transmissionProduct adapter interface: AUX, RCA, USB-CBluetooth decoding: SBC/AAC/Aptx/HD/LLColour:BlackMaterial:ABSPackage Contents:1 x Bluetooth Audio Adapter1 x Charging Cable1 x Audio CableOnly 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.