• Product Type : Headset, Connection Type : Wireless, Usage : Headband, Connection Input : Bluetooth , Audio Output : 20-22000 Hz, Impedance : 36 Ohm, Sensitivity : Headset: 93dB / Microphone: -38dB, Frequency Response : Headset: 20-22000 Hz / Microphone: 100Hz-10000Hz, Warranty : 24 Months, Description : 7.1 Surround,