Amazon.com: KOKKIA i10L_aptX : Digital Bluetooth Splitter Transmitter with switchable aptX / SBC codecs, for iPhone, iPad, iPod Touch with Lightning Connector. Works Well Streaming to 2 Sets of Apple AirPods. : Electronics
REIYIN WT-HD06 レビュー/iPhoneもスイッチもaptX HD化するハイレゾ・ワイヤレスUSBアダプター | makkyon web
Wireless Bluetooth 4.0 APTX Music Audio Receiver For iPhone 30Pin Dock Speaker | eBay