Features: 1.Support pop-up window on IOS when you take out the earphones. 2.Perfectly compatible with iOS/Android and all mobile phones with bluetooth fuction. 3.Could be used separately or together. 4.Upgrade the Bluetooth 5.0 chip, the performance is improved 5.Hifi stereo and bass. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Description: Product name: pro3 bluetooth headset Material: ABS Packing size: 10*10*4.5CM Battery capacity: 200 mAh ear compartment, earphone: 35 mAh Bluetooth version: 5.0 Bluetooth distance: 10 meters Package List: 1*Earphone