







⚡ Power up your tech IQ with the ultimate USB tester!
The FNIRSI FNB58 USB Tester is a cutting-edge multimeter designed for professionals and tech enthusiasts. Featuring a 2.0-inch full-color TFT display, 16-bit ADC precision, and Bluetooth connectivity, it supports a wide range of fast charging protocols including PD3.0 and QC3.0. This device offers comprehensive voltage, current, power, capacity, and ripple measurements with advanced data recording and visualization, making it an indispensable tool for accurate USB power diagnostics and fast charge validation.











| 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 |
| Color | multi-color |
| Style | Modern |
| Power source type | USB Powered |
| Item Package Quantity | 1 |
| Measurement Accuracy | ±0.5‰ |
| Specification met | Ul, Iec |
| Included components | USB Tester |
| Batteries Included? | No |
| Batteries Required? | No |
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