QKZ DT1 Zinc Alloy Metallic Earbuds Stereo In-ear HiFi Noise Cancelling Earphone

Features: Quality optimization of exclusive patent, metal composite vibrating membrance. The ergonomic design, nipple grade silicone ear muffs. Ear and tail pipe connection with oblique angle design, comfortable and easy to wear. It has high quality sound, enjoy your life. A perfect gift for yourself or friend Specifications: Material: CNC Metal Weight: 12g Speaker: 8 mm NdFeB speaker Speaker Power: Rated input power: 3mW, Maximum input power: 5mW Impedance:1610% Speaker Sensitivity: 963dB (at 1KHz 1mW) Speaker Frequency Response: 20-20K Hz Microphone Sensitivity: -42dB3dB1kHz, 3V 0dB=1V/pa Operation Temperature: -10 Celsius --- +40 Celsius Function: Play / Pause, Answer / Off, Noise Cancelling, Microphone Package weight: Approx. 30g / 1.1oz Cable length: 1.25m Package Included: 1 x QKZ DT1 Earphone 6 x Earbud 1 x Storage Case