https://tweakers.net/productreview/215322/pioneer-rayz-zwart.html
Pioneer Rayz Zwart - kaaas - Product reviews - Tweakers
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https://www.macrumors.com/2017/07/17/pioneers-rayz-earphones-hey-siri-support/
Pioneer's Rayz Lightning-Equipped Earphones Gain 'Hey Siri' Support - MacRumors
Pioneer today announced that its Rayz line of Lightning-equipped earphones designed for the iPhone are receiving a major update that adds "Hey...
hey siripioneerrayzlightningequipped