QKZ DM9/Extreme Gadgets/বাংলা রিভিউ HD

Official Website: https://www.xteambd.com Official Facebook Group: https://www.facebook.com/groups/extremegadgets/ QKZ DM9 Zinc Alloy HiFi Metal Earphone Features: *Piston In-Ear Headphones with Microphone *Material: Metal CNC Zinc alloy *Speaker Frequency Response: 20-22K Hz *Ergonomic split cavity structure use of high-density plastic *material, good acoustic cavity structure and tuning, 3.5mm jack *Function: Play / Pause, Answer / Off, Noise Cancelling, Microphone