QKZ DM10 in-ear earphone with Zinc Alloy is a 100% original product for your smart smartphone, computer, or other relevant audio devices. Quality optimization of an exclusive patent, metal composite vibrating membrane. The ergonomic design, nipple grade silicone ear muffs. Ear and tailpipe connection with oblique angle design, comfortable and easy to wear. It has high-quality sound, enjoy your life. A perfect gift for yourself or a friend.