Must-Have Travel Gadget Now Just $31.99

The Avantree Relay Premium Bluetooth 5.3 Adapter, a popular gadget for connecting wireless headphones to inflight entertainment systems, is on sale for $31.99, down from $39.99, this Black Friday. This device allows travelers to enjoy high-quality audio on flights without the hassle of wired headphones, offering up to 20 hours of battery life and the ability to connect two devices simultaneously. It's a convenient solution for those who want to use their own Bluetooth headphones on planes that lack built-in Bluetooth connectivity.