Specifications Type Piston In Ear Headphones 1 Material Metal CNC Zinc alloy2 Speaker 9 mm NdFeB speaker3 Speaker Power Rated input power 3mW Maximum input power 5mW4 Impedance 3215 5 Speaker Sensitivity 1202dB at 1KHz 1mW 6 Speaker Frequency Response 8 22K Hz7 Microphone Sensitivity 42dB3dB1kHz 3V 0dB 1V pa8 Operation Temperature 10 Celsius 40 CelsiusFunction Play Pause Answer Off Noise Cancelling MicrophoneCompatible For Xiaomi Tablet1 Tablet 2 xiaomi redmi note1 2 3For Samsung Glaxy s6 s7 s6 edge s7 edgeFor Huawei Sony and Other android mobile phonesForiPhone 4 4s 5 5s 6 6s for iphone 6plus 6s plus for iPad etc IOS devicesFor Mp3 Mp4 players tablets Pcs all 3 5mm music players Pakage included 1 x QKZ DM7 Zinc Alloy In Ear HIFI Earphone