CatchFlow - SRAY, the world's smallest directional... | Facebook
high quality mini directional ultrasonic speaker| Alibaba.com
New]S-RAY S Ray for one speaker directivity speaker Bluetooth speaker wireless mobile speaker CF-S100 Amplifier type compact directivity reshuffling function Ultra Small lightweight Bluetooth megavolume indoor duties - BE FORWARD Store
指向性スピーカー「ブリック BRICK」「クラリエル Clarielle」「エスレイ SRAY」
CatchFlow | Seongnam
Premium Bluetooth Directional Ultrasonic Speaker for Speech and Home - China Ultrasonic Speaker, Directional Speaker | Made-in-China.com