2026-09-14
Zhuhai Xinhe XH‑P50D embedded 3‑button optical trackball built for medical devices, industrial terminals and precision instruments. DIP‑switch adjustable DPI, medical‑grade EMC immunity, USB plug‑and‑play, ≥1 million operations lifespan, 3‑year warranty. Request datasheet, sample test and bulk‑order consultation.