Series: Poly Savi 8200 Office series Color: Black Audio System Type: Headset Brand: Poly Headphones Type: Wireless Headphone Connectivity Technology: Wireless Headphones / Form Factor: In-ear Response Bandwidth (Headphone): 20 - 20000 Hz Sensitivity: 112 dB Impedance: 32 ohms Microphone: noise-canceling Model: Savi 8245 Active Noise Canceling: YES Interfaces: USB-A Weight: 21 g Service & Support Type: Poly standard two-year limited warranty TAA: Y