binaural USB headset headphone with microphone/volume control/mute function oem/odm service,noise cancelling function, competi

binaural USB headset headphone with microphone/volume control/mute function

1. stylish call center headset with QD  or RJ11 provides extra comfort in a professional design , Noise cancelling Microphone , providing clear communication . 2. Acoustic shock protection circuit passes voices , but blocks sudden high-volume sounds 3. high quality ear cushion provides extra comfort . Leather or foam cushion options . 4. QD(quick disconnect ) cable is optional       Driver Unit :            2*30mm      Freq. res.   :           20-20KHz      Impedance :              150ohm      Sensitivity              125dB      Max input power :        10mW      Cord Length :            1.8m coil cable our quotation is difference for headset with RJ and headset with QD 

brister packing , 60pcs put in a carton , carton Measurement 57*48*58cm , Gross Weight is 8 KG

polybag : 100pcs put in a carton , carton measurement : 54*32*37 cm . Gross weight is : 10Kg

binaural USB headset headphone with microphone/volume control/mute function