How long does the battery last, and how fast does it recharge?

It offers up to 20 hours of playback and can recharge to 100% in about 2 hours via USB-C.

Can this Bluetooth adapter connect to both modern single 3.5 mm jacks and older dual-prong airplane ports?

Yes. It includes a premium dual-prong adapter, so it works with both modern single 3.5 mm jacks and older armrest ports on airplanes.

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Main image of Ultra Pro Bluetooth Transmitter Receiver, Wireless Adapter for Airplane/TV | Bluetooth 5.4 & aptX LL | 2-in-1 for TV/Flight/Gym | Works with 2 AirPods/Headphones | Wireless Receiver for Car/Home Stereo

Alt view image 2 of 9 - Ultra Pro Bluetooth Transmitter Receiver, Wireless Adapter for Airplane/TV | Bluetooth 5.4 & aptX LL | 2-in-1 for TV/Flight/Gym | Works with 2 AirPods/Headphones | Wireless Receiver for Car/Home Stereo

Alt view image 3 of 9 - Ultra Pro Bluetooth Transmitter Receiver, Wireless Adapter for Airplane/TV | Bluetooth 5.4 & aptX LL | 2-in-1 for TV/Flight/Gym | Works with 2 AirPods/Headphones | Wireless Receiver for Car/Home Stereo

Alt view image 4 of 9 - Ultra Pro Bluetooth Transmitter Receiver, Wireless Adapter for Airplane/TV | Bluetooth 5.4 & aptX LL | 2-in-1 for TV/Flight/Gym | Works with 2 AirPods/Headphones | Wireless Receiver for Car/Home Stereo

Alt view image 5 of 9 - Ultra Pro Bluetooth Transmitter Receiver, Wireless Adapter for Airplane/TV | Bluetooth 5.4 & aptX LL | 2-in-1 for TV/Flight/Gym | Works with 2 AirPods/Headphones | Wireless Receiver for Car/Home Stereo

Alt view image 6 of 9 - Ultra Pro Bluetooth Transmitter Receiver, Wireless Adapter for Airplane/TV | Bluetooth 5.4 & aptX LL | 2-in-1 for TV/Flight/Gym | Works with 2 AirPods/Headphones | Wireless Receiver for Car/Home Stereo

Alt view image 7 of 9 - Ultra Pro Bluetooth Transmitter Receiver, Wireless Adapter for Airplane/TV | Bluetooth 5.4 & aptX LL | 2-in-1 for TV/Flight/Gym | Works with 2 AirPods/Headphones | Wireless Receiver for Car/Home Stereo

Alt view image 8 of 9 - Ultra Pro Bluetooth Transmitter Receiver, Wireless Adapter for Airplane/TV | Bluetooth 5.4 & aptX LL | 2-in-1 for TV/Flight/Gym | Works with 2 AirPods/Headphones | Wireless Receiver for Car/Home Stereo

Alt view image 9 of 9 - Ultra Pro Bluetooth Transmitter Receiver, Wireless Adapter for Airplane/TV | Bluetooth 5.4 & aptX LL | 2-in-1 for TV/Flight/Gym | Works with 2 AirPods/Headphones | Wireless Receiver for Car/Home Stereo

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Ultra Pro Bluetooth Transmitter Receiver, Wireless Adapter for Airplane/TV | Bluetooth 5.4 & aptX LL | 2-in-1 for TV/Flight/Gym | Works with 2 AirPods/Headphones | Wireless Receiver for Car/Home Stereo

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Flight compatibility: Includes a dual prong adapter for both modern 3.5mm jacks and older armrest ports, ensuring connectivity across single-jack and older aircraft audio systems.
Battery and charging: Provides up to 20 hours of playback on a single charge and recharges to 100 percent in 2 hours via USB-C, suited for long flights. Full charging before each flight is recommended for best battery performance.
Dual pairing: Connects two pairs of wireless headphones in under 3 seconds, with dedicated 1 and 2 LED indicators confirming each connection. The second device pairs only after the first is connected, useful for sharing audio with a travel companion or when used as a transmitter for TV.
Audio performance and range: Supports aptX Low Latency under 40ms for synced audio, with Bluetooth 5.4 improving stability by 72 percent and reducing latency by 66 percent. Delivers a range of up to 33 feet, best maintained within line of sight.
Dual mode functionality: Operates as a transmitter for aircraft screens or hotel TVs and as a receiver for car stereos or home speakers. Certified under FCC, CE, RoHS, and BQB standards. Not compatible with Bluetooth hearing aids or 2.4G sync devices.

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LAICOMEIN B110 Ultra Pro Bluetooth Transmitter Receiver

Important Notice Before Purchase: B110 Bluetooth Transmitter is not suitable for live music, musical instruments, or karaoke. We do not recommend using it for electronic pianos or guitars that require 2.4G transmission for audio synchronization. It is also not work with bluetooth hearing aids.