1. Simple operation, ready to use without setting 2. No external wiring automatically repairs battery health efficiency 3. Reusable 1 extension permanent free use 4. Automatically set up 100% efficiency without instrument startup 5. For iPhone 11-15 Pro Max models to modify the battery efficiency 6. For iPhone 8-15 Pro Max models to guide the pop-up function 7. Reserve Type-C interface to support subsequent function expansion 8. Support connecting i6S, KC01, KC03, BR-13, battery repair any modification of charging efficiency charging times 9. Package includes: A. 1 x repair board B. 9 x motherboard boot cable C. 1 x 4 in 1 data cable D. 9 x heat shrink tubing