BT5814 Bluetooth 5.0 Airplane Flight Adapter With A2DP Audio, Mini Wireless Music Receiver, And Bose 700 NC700 QC30 QC35 Headphone Amp From Beest, $9.14

Bluetooth 5.3 Airplane Airline Flight Adapter A2DP Wireless Transmitter For Bose 700 NC700 QC45 QC35 QC30 AE2W Headphones - AliExpress

BT5814 Bluetooth 5.0 Airplane Flight Adapter With A2DP Audio, Mini Wireless Music Receiver, And Bose 700 NC700 QC30 QC35 Headphone Amp From Beest, $9.14

QC15 Airplane Headphone Adapter Compatible with Bose 700 QuietComfort 2 QC3 QC45 QC35 QC35ii QC15 QC25 QC20 NC700 SoundLink SoundLinkII AE2 AE2i AE2W and More Headphones, Golden Plated 3.5mm Jack : Electronics

QC25 Adapter – Bolle & Raven

Bolle&Raven Wireless Bluetooth Adapter for Bose QuietComfort 25 Headphones (QC25) : Electronics

6.35mm Spring Replacement Cable Extension Cord For Bose QC45 QC35 QC25 QuietComfort Ultra 45 35 25 700 OE2 Soundlink Headphones

Bolle&Raven Wireless Bluetooth Adapter for Bose QuietComfort 25 Headphones (QC25) : Electronics

1Mii Airplane Bluetooth 5.3 Adapter for Headphones W/Portable Charging Case Support aptX Adaptive/HD/Low Latency for Use on Airline : Electronics

Lavales Bluetooth 5.3 Adapter for Airplane to 2 Wireless Headphones, 3.5mm Jack in-Flight Bluetooth Transmitter Receiver for TV, Dual Link AptX Adaptive/Low Latency/HD Audio for Home Stereo/PC/Gym : Electronics

Asobilor Airplane Bluetooth Adapter Compatible with Bose Wireless/Wired Headphones and Any 3.5mm Aux Jack on Airplane, Bluetooth 5.3 transmitter receiver and 3.5mm Audio Jack (2 in 1) : Electronics

QC15 Airplane Headphone Adapter Compatible with Bose 700 QuietComfort 2 QC3 QC45 QC35 QC35ii QC15 QC25 QC20 NC700 SoundLink SoundLinkII AE2 AE2i AE2W and More Headphones, Golden Plated 3.5mm Jack : Electronics

1Mii B05 Airplane Bluetooth 5.3 Adapter for Headphones W/Portable Charging Case Support aptX Adaptive/HD/Low Latency, Wireless Bluetooth Audio Transmitter for Use on Airline or in Gym : Electronics

Bose® headphones airline adapter