For iPhone 14 Pro Multi-Card Totem Zipper Leather Phone Case(Green) Tag-Access Controller all stainless steel screws are

all stainless steel screws are easy to maintain

Material: Optical glass + metal

The digital display screen displays the no-load/load voltage in real time

Sensitivity: 103+/-3dB

4) No power required

For iPhone 14 Pro Multi-Card Totem Zipper Leather Phone Case(Green) Tag-Access Controller all stainless steel screws are1. Durable: PU+TPU material, wear resistant and durable. It has good performance and can be used for a long time. 2. Convenient: Precise cutouts for easy access to all ports and buttons without removing the case. 3. Anti fall: Four corner TPU all inclusive design, shock absorbing and anti fall. 4. Protection: Fully protects the device from normal scratches, dirt, tear and wear. 5. Practical Card Holder Function: Card slot and zipper wallet pocket and