Airs pro 1:1 tws Connect with IOS device :
1.Open the lid of case and turn on the bluetooth on device , the pop up function will work . And you will see a notice to press the button on the back of charging case .
2.Long press(about 4s) the button , you will see the white led blink . And the earbuds will connect with phone automatically .
 
Connect with Android or other device :
1.Open the lid of case and long press(about 4s) the button until make sure that the white led on the charging case blink .
2.Turn on the bluetooth on device to found the earbuds bluetooth signal to connect .
 
Features:
1. Separate use Left earphone and Right earphone, without any disconnect or sound cut from headsets
2.In-ear Smart Sensor
3. Support wireless charging
4.3 Real Battery Window
5. Touch Control
6. Enhanced bass/audio quality
7. Super bass
8. Auto power on
9. Auto power off
10. Binaural calls
11. Previous song, Next song
12. Music time 4.5-5 hours
13. Voice control
14.1:1 size of air 3 generation
15. Noise reduction
 
Packing list: 
2 * Mini Bluetooth Earphone
1 * charging box
1 * USB charging cable