Apple's latest iPhone17, iPhone Air, iPhone17 Pro, and iPhone 17 Pro Max all natively support Dual Capture, which create a single video file with a picture-in-picture structure by using both the front and the rear cameras. It allows users to simultaneously record their emoji to scenes specially in concerts or sporting event.

Apple biggest fan from OSODS analytics report.

How the Lithium batteries work?

"Round trip" between the positive and the negative electrodes make it worked, so simple it is, right?

automatic production for Lithium Battery production for many years

 the battery quality with best control and qualified.