2-in-1 Wireless Bluetooth 5.0 Receiver and Transmitter This adapter supports all iOS and Android systems. This Transmitter/Receiver has a very wide compatibility and extremely many areas of use. The adapter can make a non-wireless device wireless, instructions included in the package Technical specifications: -Bluetooth 5.0 -Receiver Transmitter (changeable with a button) -Micro USB charging cable (included) -Dimensions: Adapter: approx. 8 x 4.5 x 1.3 cm AUX Cable: approx. 50 cm Charging cable (Micro USB): approx. 50 cm Examples of areas of use: 1. Connect your wireless headphones to a monitor / tv / screen on the airplane. -To do this, you first need to pair the adapter with your headphones and make sure the adapter is charged 2. Make your non-wireless headphones wireless -First pair your phone with the adapter. Then plug your non-wireless headphones directly into the AUX socket and then connect via bluetooth to your device I The package includes: 1x Bluetooth Transmitter / Receiver Adapter 1x Charging Cable 1x AUX Cable 1x Instruction Manual