Product type: Headset Wearing style: Head-band Recommended usage: Office/Call center Headset type: Binaural Product colour: Black Operating keys: Volume +,Volume - Volume control: Button On/off switch: Y Hearing protection technologies: Jabra PeakStop,Jabra Safetone G616 Music playback: Y Number of simultaneously connected devices (max): 2 HD voice: Y Auto-connect: Y Plug and Play: Y Country of origin: China Certification: Microsoft Connectivity technology: Wired & Wireless USB connectivity: Y USB connector: Micro-USB Bluetooth: Y Bluetooth profiles: A2DP Bluetooth version: 4.0 Wireless range: 30 Ear coupling: Supraaural Microphone type: Boom microphone Microphone noise-canceling: Y Microphone mute: Y Battery type: Built-in battery Continuous audio playback time: 11 Rechargeable battery: Y Talk time: 12 Battery charge indicator: Y Battery recharge time: 2 Windows operating systems supported: Y Mac operating systems supported: Y Weight: 111 Package width: 181 Package depth: 210 Package height: 53 Package weight: 310 Quick start guide: Y Receiver included: Y Carrying case: Y Cables included: USB Ear pad material: Faux leather Harmonized System (HS) code: 85183000 Master (outer) case width: 226 Master (outer) case length: 564 Master (outer) case height: 496 Master (outer) case gross weight: 9880 Products per master (outer) case: 27 Voice guidance: Y Call management: Y Number of products included: 1 Interface type: USB Auto power off: Y Equalizer: Y Near Field Communication (NFC): Y Brand compatibility: Microsoft Storage pouch: Y Digital Signal Processing (DSP): Y