SiGN Airplane adapter for wireless headphones Bluetooth adapter from SiGN that allows you to connect your wireless headphones to the aircraft's audio system. Simply plug the Bluetooth adapter into the airplane seat's headphone socket and connect your own headphones with a simple push of a button. The airplane adapter has a battery life of a full 8 hours and is also equipped with a USB-C port and a 3.5 mm AUX port so that you can always use your own headphones, regardless of which connector they have. Works just as well on the plane as for the PC or TV This airplane adapter can also be used at home to connect your wireless headphones to your PC, TV or stereo system. Then you only use one of the two 3.5 mm connectors to connect your headphones. The airplane adapter is compatible with all wireless headphones such as: Apple AirPods, Samsung Galaxy Buds, Huawei FreeBuds, SiGN Freedom and others. Specifications: Brand: SiGN Color: BlackProduct type : Bluetooth airplane adapter for wireless headphones Compatible with: Wireless headphones, 3.5mm headphones, USB-C headphones Bluetooth version: V5.3 Range: 15mBT version: v5.3Charging time: About 2 hoursBattery type:Lithium polymer batterySupport protocol: HFP/A2DP/AVRCPBattery capacity:3.7v230mAhOperating Frequency: 2.402GHz~2.483GHzCharging port: USB-CProduct size: 51.6 x 38.6 x 15.2mm INSTRUCTIONS FOR USE