Brand: QKZ
Model: DM9
Style: In-Ear
Communication: Wired
Connectors: 3.5mm
Vocalism: Principle Dynamic
Control Button: Yes
Plug Type: Line Type
Sensitivity: 94±2dB
Frequency Response: Range 20-22000Hz
Line Length: 1.2m
Resistance: 16O
With Microphone: Yes
Frequency Response: 20-22K Hz
Speaker Sensitivity: 94 at 1KHz
Function: For Mobile Phone, Monitor Headphone, For Internet Bar, Common Headphone, for Video Game, HiFi Headphone, For iPod
Supported Devices
Xiaomi, Samsung Galaxy, Huawei, LG, Sony and Other android mobile phones
iPhone & IOS devices
Mp3 Mp4 players, tablets, PCs, all 3.5mm music players.

Brand QKZ
Model DM10
Cable length 1.2m
Material Metal CNC Zinc alloy
Weight 15g
Speaker Power Rated input power: 3mW, Maximum input power: 5mW
Speaker 12mm NdFeB speaker
Impedance 16Ω±15%
Speaker Sensitivity 100±3dB (at 1KHz 1mW)
Speaker Frequency Response 20-20K Hz
Microphone Sensitivity -42dB±3dB1kHz, 3V 0dB=1V/pa
Operation Temperature -10 Celsius — 40 Celsius
Function Play / Pause, Answer / Off, Noise Cancelling, Microphone

Brand: Xiaomi
Product Name : Mi Dual Driver In-ear Earphones
Model No. : YDSDQ01WM
Type of Headphones: In-ear
Weight : 18g
Rated Power: 5mW
Impedance : 32Ω
Driver Form Factor : Dual Dynamic Drivers (φ10+φ8mm)
Color : Black, Blue
Remote Buttons : Volume Rockers, Play/Pause Button
Microphone Form Factor: With Microphone
Cable Length : 1.25m
Cable Form Factor : Braided for main cable, TPE for trail cable. Tangle free.
Audio Output Mode : Stereo
Jack Type : 3.5mm
Jack Plug Form : L-shaped plug, Cable protected
Frequency Response Range : 20-40000Hz
Package Contents : Earphones 1 U, Eartips 6 U (3 Pairs: S/M/L), User Manual 1 U