QKZ DM9 Earphone Go Pro Headset Micro Ring in-ear
QKZ DM9 ইয়ারফোন গো প্রো হেডসেট
Specifications:
Type: Piston In-Ear Headphones
Technical Specification
1. Material: Metal CNC Zinc alloy
2. Weight: 15g
3. Speaker: 9.2 mm NdFeB speaker
4. Speaker Power: Rated input power: 3mW, Maximum input power: 5mW
5. Impedance: 16Ω±15%
6. Speaker Sensitivity: 94±2dB (at 1KHz 1mW)
7. Speaker Frequency Response: 20-22K Hz
8. Microphone Sensitivity: -42dB±3dB1kHz, 3V 0dB=1V/pa
9. Operation Temperature: -10 Celsius --- +40 Celsius
Function: Play / Pause, Answer / Off, Noise Cancelling, Microphone
