QKZ KD4 Dual Drivers HIFI Wired In-ear Earphone Earbuds With Microphone

Features Quality optimization of exclusive patent metal composite vibrating membranceThe ergonomic design nipple grade silicone ear muffsEar and tail pipe connection with oblique angle design comfortable and easy to wearIt has high quality sound enjoy your lifeA perfect gift for yourself or friendType Piston In Ear EarphoneTechnical SpecificationMaterial PCMini Dual DriverWeight 20gSpeaker 8 mm NdFeB speaker Mini Dual DriverSpeaker Power Rated input power 3mW Maximum input power 5mWImpedance 1615 Speaker Sensitivity 963dB at 1KHz 1mW Speaker Frequency Response 20 20K HzMicrophone Sensitivity 42dB3dB1kHz 3V 0dB 1V paOperation Temperature 10 Celsius 40 CelsiusFunction Play Pause Answer Off Noise Cancelling MicrophoneCable length 1 2m Package Included 1 x QKZ KD4 Dual Drivers HIFI In ear Earphone