Headphones with microphone Jabra Biz 2300 Duo

Short Desc: Headphones with microphone Jabra Biz 2300 Duo Type: Headset Technology: Impedance: 32 Ohms , Speaker Max input power: 10 mW , User sound protection: PeakStopTM 118 dBA SPL (RMS) , Noise at Work and G616 compliant , Wireless Compatibility: No Noise Cancellation: No Microphone Type: Retractable , Uni-directional , Sensitivity: Speaker: 117 dB , Microphone: -26 dB , Frequency: Speaker: 70-16000 Hz , Microphone: 100-10000 Hz , Speaker Diameter: 28 mm Connectivity: USB Operating Range: 2.35 m Operating Time: - Standby Time: - Recharge Time: - Battery: - User Controls: Volume up/down , Mute on/off , Answer/end/reject call , Hold/resume call , Programmable buttons , LED: - System Requirements: - Color: Black Width: 141 mm Depth: 183 mm Height: 67 mm Package Dimensions: - Weight: 0.115 kg Package Weight: 0.200 kg Warranty: - Package Contents: USB headset with controller , Warranty card , Warning card , Quick start guide , Website: https://www.jabra.com/business/contact-center-headsets/jabra-biz-2300 2309-820-105