Andven Wireless Bluetooth Transmitter, 3.5mm Portable Stereo Audio Adapter for TV/Projector / MP3 / MP4 / PC, High-Fidelity USB Transmitter, Plug and Play: Amazon.co.uk: Electronics & Photo
Amazon.com: V5.0 Bluetooth Transmitter Receiver for TV PC, 2-in-1 AUX Audio Adapter, Wireless 3.5mm Bluetooth Adapter for Headphones/Car/Home Stereo/Switch/Speakers, Simultaneously Pair 2 Devices : Electronics