Exquisite & compact design, easy to put it into the backpack, wallet or pocket. You will enjoy the improved convenient audio charging. Audio + Charge supports up to 24 bit 48kHz lossless output, ensuring sound transmission stability and fidelity. And the adapter has been tested strictly. It is compatible with iphone X / Xs / Xs Max / XR,iPhone 11 / 11 Pro / 11 Pro MAX, iPhone 8 / 8Plus, iPhone 7 / 7 Plus iPod / iPad. Also supports iOS 10.3 or higher systems.After purchase you will enjoy 12-Month and excellent customer service.