With great sound for calls and music, the Evolve 20 is an entry-level professional headset with easy call management through a control unit that makes, takes and mutes calls. Simple connectivity makes it easy to get started with your PC. Comes with leatherette ear cushions and on-the-ear design. Engineered for easy call management, the Evolve 20 is an entry-level corded headset for professionals who need great sound for calls and music. A control unit allows you to make, take and mute calls, and simple connection makes it easy to get started with your PC. Comes with leatherette ear cushions and on-the-ear design for all-day use. Certificates: - Certified for Microsoft Teams: Yes Headphones: - Driver unit: 2.8 - Ear coupling: Supraaural - Headphone frequency: 150 - 7000 - Impedance: 32 - Maximum input power: 5 - Noise canceling type: Passive Logistics data: - Master (outer) case gross weight: 7730 - Master (outer) case gross weight: 7.73 - Master (outer) case height: 56.4 - Master (outer) case length: 49.6 - Master (outer) case width: 22.6 - Products per master (outer) case: 48 Microphone: - Microphone direction type: Unidirectional - Microphone frequency: 100 - 10000 - Microphone mute: Yes - Microphone noise-canceling: Yes - Microphone sensitivity: -44 - Microphone type: Boom - Noise-canceling: Yes - Number of microphones: 1 Operational conditions: - Operating temperature (T-T): -10 - 50 - Storage temperature (T-T): -30 - 80 Other features: - Call management: Y - Digital Signal Processing (DSP): Yes - Sound pressure level (max): 93.6 - Transducer type: Back electret condenser Packaging content: - Ear pad material: Faux leather - Quantity: 1 - Quick start guide: Yes Performance: - Cable length: 2.15 - Certification: CE, FCC, KCC, RCM, UL - Control unit type: In-line control unit - HD voice: Yes - Headset type: Monaural - Hearing protection technologies: Jabra IntelliTone/Jabra SafeTone - Music playback: Yes - Operating keys: Volume -/Volume + - Plug and Play: Yes - Product colour: Black - Product type: Headset - Recommended usage: Office/Call center - Volume control: Button - Wearing style: Head-band Ports & interfaces: - 2.5 mm connector: No - 2x 3.5 mm connectors: No - 3.5 mm connector: No - Bluetooth: Yes - Bluetooth profiles: A2DP - Connectivity technology: Wired - Frequency response (music mode): 20 - 20000 - USB connectivity: Yes - USB connector: USB Type-A Sustainability: - Sustainability certificates: TCO Vendor information: - Brand Name: Jabra - Warranty: 1 - Product.Details.Specifications.Level1: Consumer Electronics - Product.Details.Specifications.Level2: Sound & Vision - Product.Details.Specifications.Level3: Headsets & Headphones - Product.Details.Specifications.Level4: Headsets