Description: Advanced Technology: Equipped with the latest QCC 5.4 version, this transmitter supports a range of wireless protocols including A2DP, HFP, AVRCP, LE Audio, and for seamless audio stream Wide Compatibility and Easy Setup: Compatible for multiple systems such as for (all versions), for Linux computers and Android devices. The USB plug and play feature ensures a hassle free setup without the need for additional drivers Superior Audio Performance: Experience quality sound with a frequency response of 100Hz-20kHz and a signal to noise ratio greater than 90dB. Supports various audio formats (including SBC / LL//Adaptive /LE AUDIO), and for versatile listening options Range and Multi device Connectivity: Enjoy stable connection up to 10 meters away from your device. The feature allows multiple devices to listen simultaneously, making it ideal for group settings or shared experiences Package: The package includes 1 Audio Transmitter adapter, 1 converter head, and 1 instruction manual to get you started right away with ease Specification: USB calling: supported under BT LE, not supported under Size Chart: Package Size: 9.3cmx6.6cmx1.6cm/3.66inchx2.60inchx0.63inch Package Includes: 1 Audio Transmitter 1 Converter Head 1 Instruction Manual Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.