Bluetooth version 5.1 Range: up to 7 m Perfect for extending the entertainment system in the aircraft with Bluetooth Wireless in-flight entertainment Features an additional AUX output that allows you to easily share music with your partner via a wired headset 1x 3.5mm stereo male, 1x retractable 3.5mm mono plug, 1x AUX output Charging port: USB-C Rechargeable battery, battery capacity: 200 mAh Playback time: up to 10 hours Charging time: about 2.5 hours Weight: 0.014 kg Height: 1.31 cm Width: 3.95 cm Length: 6.15 cm