The A4Tech MK‑750 is a compact wired in‑ear earphone with a 3.5 mm audio jack, designed for everyday use with smartphones, laptops or tablets. It has roughly 9 mm drivers that deliver a full‑range frequency (about 20 Hz – 20 kHz), with 16 Ω impedance and ~98 dB sensitivity for clear, balanced sound. The earphone includes soft silicone tips for comfort, a 1.2 m cable, and a built‑in inline microphone — making it a practical choice for music, videos, calls, or online chats.
