State-of-the-art, noise-cancelling microphone eliminates background noise Professional headset with flexible connectivity and great sound for calls and music. Corded headset Great for stationary work USB, 3.5mm jack connectivity Connect to 1 device Downloads Data SheetTechnical Specifications Specifications Audio Headset bandwidthWidebandSpeaker bandwidth Music modeWidebandSpeaker bandwidth Speak modeWidebandMicrophone bandwidthWidebandCertificationsRegulatory Approvals: CE, FCC, KCC, RCM, UL, Industrial Certifications: Microsoft Teams, Avaya, Cisco Battery Battery includedNo Connectivity AC power supplyUSB power supply by PCBluetooth deviceNoConnection (mini jack, USB, etc)USB, 3.5mm jackCord lengthControl cable: 95cm, HS cable: 120cm General Packaging dimensions (L x W x H)L 23 x W 18 x H 3.5 cmWeight mono / duo0.1711kg for stereo, 0.1425kg for monoWhats in the boxJabra Evolve 30 II Headset, Warranty leaflet, Quick Start Guide, USB Controller, Plastic bag for controller, Plastic bag for headset, Certified for Microsoft Teams sticker (Refer to BOM), Foam bag for the left earcup of the Stereo headset only, Evolve 30 II is packed in a pouchWarranty2 years