Brand Name: QKZ Style: In-Ear Communication: Wired Connectors: AUX Wireless Type: None Vocalism Principle: Dynamic Function: Noise Cancelling,Microphone,for Video Game,For Routine Office Work,For Mobile Phone,Portable,For iPod,Sport,Voice control,Supports music Plug Type: Line Type Sensitivity: 120dB Frequency Response Range: 8-22000Hz Line Length: 1.2m Resistance: 32Ω Waterproof: No Model Number: DM5 Support Apt-x: No Support Memory Card: No Support APP: No Material: Aluminum alloy,Nylon,Silicon Speaker: 9 mm NdFeB speaker Speaker Power: Rated input power: 3mW, Maximum input power: 5mW Impedance: 32Ω±15% Speaker Sensitivity: 120±2dB (at 1KHz 1mW) Speaker Frequency Response: 8-22K Hz Microphone Sensitivity: -42dB±3dB@1kHz, 3V 0dB=1V/pa Operation Temperature: -10 Celsius --- +40 Celsius fone de ouvido: QKZ Model: DM5 Microphone: Yes Or No ( You Could Choose )

• Excellent Quality and Service: We perform a uniform for users around the globe. CNAS Quality System Standard,To ensure that each product quality,and to provide 365 days of worry free after-sales Service.
• Level Professional Design: From Inside to outside not vulgar.Resin molding Cavity,Pure Pronunciation unit,Memory Cotton Headphones.
• Cerificate of quality System: In addition to the excellent sound performance,as the fine quality of the appearance process,the quality of the headset is more excellent,we strictly implementation of CNAS quality standards.
• Pure Pronunciation unit: Uncompromising Tone. Uses A copper material created by high performance unit as the main body of pronunciation pronunciation,with C
• Imported Wire: Call Particularly Clear,the key element of imported wire,Touch clear,long service lift,

Excellent Quality and Service: We perform a uniform for users around the globe. CNAS Quality System Standard,To ensure that each product quality,and to provide 365 days of worry free after-sales Service.SSTC