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The Avantree Relay Premium Airplane is a battery-powered Bluetooth 5.3 transmitter that plugs into a 3.5 mm headphone jack, built mainly for in-flight entertainment systems. It sends audio to your own Bluetooth headphones with aptX Adaptive, aptX HD, aptX LL and SBC support, and its roughly 0.5 oz body fits in a seat pocket. Compared with basic airline adapters, it adds low-latency codecs and a longer 33 ft range, but it is a one-job device: no USB, no optical and no Wi-Fi. It suits frequent flyers who want to use their own noise-cancelling headphones on planes.
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Lowest price we've seen: $34.99 on Nov 11 at Best Buy. Tracked across 1 store since Nov 11.
Owners generally treat the Relay as a practical way to use their own Bluetooth headphones on flights, and praise its small size and simple pairing. Complaints center on battery life and on codec support depending on the paired headphones.
