







⚡ Power Up Your Tech IQ with FNIRSI’s Ultimate USB Tester!
The FNIRSI FNB58 USB Tester is a cutting-edge, multi-interface device designed for professionals who demand precision and versatility. Featuring a 2.0-inch full-color TFT LCD, 16-bit ADC accuracy, and support for all major fast charging protocols, it offers real-time voltage, current, power, and ripple measurements. Its advanced data logging and cable diagnostics empower users to optimize charging performance and device safety, making it an indispensable tool for tech-savvy managers and engineers.











| Manufacturer | FNIRSI |
| Part number | FNIRSI-001 |
| Item Weight | 45.4 g |
| Package Dimensions | 11.5 x 8.5 x 2.4 cm; 45.36 g |
| Item model number | FNIRSI-001 |
| Colour | multi-color |
| Style | Modern |
| Power source type | Corded Electric |
| Item Package Quantity | 1 |
| Measurement Accuracy | ±0.5‰ |
| Specification met | IEC 1010, UL |
| Included components | USB Tester |
| Batteries included? | No |
| Batteries Required? | No |
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