Rosewill Active Noise Cancelling Wireless Bluetooth Headphones, ANC Over Ear Wireless Headset Ideal for Travel, Rechargeable Long Lasting Battery Life/Continuous Play and Sound Quality

General Information Brand: & Rosewill Model: & Audio wave H9000Color: & Black Connection Wireless Type: & Bluetooth Headphone Specs Driver Unit: & 40mmHeadphone Frequency Response: & 20 Hz – 40 KHz Headphone Input Impedance: & 32 ohm Headphone Sensitivity: & 97 +/- 3dB at 1 KHz Weight: & 0.46 lb. Microphone Specs Microphone Frequency Response: & 100Hz-10KHzMicrophone Sensitivity: & -38 +/- 3dB Features Wireless and Portable, Fold for Travel Noise Canceling / Active Noise Control (ANC) for Noise Reduction Bluetooth Pairing Memory Padded Headband and Over-Ear Cushion Cups for Durable Comfort Includes Airline Headphone Adapter