For iPhone 15 Pro Brilliant Series Micro-frosted Anti-fingerprint PC Phone Case(Purple) Filter-Anti-lost & Holder and the alarm video can

and the alarm video can be viewed on the mobile APP

7) Same functions as the original battery grip for Nikon D800

5mm audio interface output

you also need not worry about the cleaning of chest straps

For iPhone 15 Pro Brilliant Series Micro-frosted Anti-fingerprint PC Phone Case(Purple) Filter-Anti-lost & Holder and the alarm video can1. Made of PC material, it is tough and durable. 2. It is simply shaped and turned to leave a pure and comfortable impression on everybody. 3. It adequately protects devices from the normal scratches, dirt, tear and wear. 4. All buttons and ports are easy to access. 5. Elegant, stylish design gives fresh looking for your phone. Note: The actual product is subject to the title model, the model machine of the picture is only for effect reference.