1. Compatible with all mobile devices, easily and quickly check the phone's airtightness. 2. Compact and portable, easily held with one hand and fits easily in a pocket, taking up minimal space. 3. 450mAh high-capacity battery, Type-C fast charging port. 4. Upgraded technology simplifies the operation process, making it easier to use. 5. For checking the sealing performance after screen replacement, casing bending repair, and reapplication of waterproof adhesive.
