Dual functionality This wireless transmitter adapter functions as both a Bluetooth transmitter and a Bluetooth receiver in one unit, offering flexible options to stream audio from TVs, computers, or phones to Bluetooth headphones or speakers, or to send Bluetooth audio to a wired speaker or car stereo via the 3.5 mm jack. Rotatable audio jack Features a multifunction 3.5 mm audio jack that rotates to fit tight spaces, allowing easy placement in compact setups while maintaining reliable audio transmission with low latency. Wide compatibility Bluetooth 5.4 wireless audio transmitter adapter with broad compatibility, connecting to most Bluetooth enabled devices including smartphones, tablets, and laptops, with straightforward pairing and dependable performance. Performance and design Compact, portable form factor suitable for travel and on the go use, designed to deliver stable audio streaming with ultralow latency. Use scenarios Watching TV or gaming with wireless headphones to minimize cables and reduce lipsync issues. Playing music from a phone or tablet to a wired speaker or car stereo via the rotatable 3.5 mm jack. In a small meeting room or hotel room, quickly linking a laptop or tablet to a Bluetooth headset or wired speaker for clearer audio.