Check the listing for details. Avantree Audikast aptX Low Latency Bluetooth 5.0 Audio Transmitter for TV/PC. Condition: New. Listed at 29.99 USD. The Avantree Audikast BTTC-418-P-BLK is a Bluetooth 5.0 audio transmitter designed for use with TVs and PCs. With features such as RCA connectivity, long-range wireless transmission of up to 100ft, volume control, and compatibility with various devices via USB, optical digital Toslink, and 3.5mm aux cables, this transmitter allows for high-quality audio streaming with low latency. Its compact design and dual-link capability make it a versatile option for enhancing your home entertainment experience. Free shipping.