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 uses. The adapter can make a non-wireless device wireless, instructions are included in the package! Technical specifications: -Bluetooth 5.0 -Receiver & Transmitter (switchable 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 uses: 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 the phone with the adapter. Then plug your non-wireless headphones directly into the AUX jack and then connect via Bluetooth to your device! The package includes: 1x Bluetooth Transmitter / Receiver Adapter 1x Charging Cable 1x AUX Cable 1x Instruction ManualBluetooth Transmitter / Receiver Wide Compatibility Instructions Included Small and Easy to Use