Klacr in-Ear Headphones 3.5mm in-Ear Earphone for Phone Stereo Bass Headset Metal Wired Earphone HiFi Headphones Mic

Features: 1. 3.5mm, 24K gold-plated audio jack. 2. Prevents oxidation of the contact surface and enhances the conductivity for a richer and purer sound. 3. Aviation-grade aluminum.  4. Aviation-grade aluminum is diamond cut then carved by metal 5. In order to make the appearance of the back cavity more exquisite, we used a Radial pattern processing and finished it off with oxidized sandblasting.   Caution: 1. Long-term listening at a high volume is not recommended. 2. Keep the product away from dust, moisture, and chemicals. 3. Avoid contact with high temperatures and objects.   Specification: General Specification Model    :KDK-206 Color   Black,blue,red,gold Wearing Type   In-ear Cable Length (m)   1.2m Net Weight (g)   15g Technical Parameters Compatible With Smartphones, tablets, portable music players and games consoles. Microphone   Yes Wired Control   Support Interface Diameter   3.5mm audio jack Sensitivity   113 ± 3dB Rated Power   5mW Impendance    16? Frequency Response   20Hz-20kHz