Jabra Evolve 65 Stereo Headset With Microphone Wireless USB Type-A 6599-823-309 Freedom to multi-task Hands-free, wireless connection for multitasking in the office Stay in the zone and avoid interruptions Integrated busylight notifies colleagues to avoid interruptions Dual Bluetooth connectivity to two devices at the same time for calls and music. Flexibility to move up to 30 m away from your connected device Leather-feel ear cushions and a lightweight, on-the-ear design for all-day use. Certified for Skype for Business, Cisco and more 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: Yes Hearing protection technologies: Jabra PeakStop, Jabra Safetone G616 Music playback: Yes Number of simultaneously connected devices (max): 2 HD voice: Yes Auto-connect: Yes Plug and Play: Yes Country of origin: China Certification: MicrosoftConnectivity technology: Wired & Wireless USB connectivity: Yes USB connector: Micro-USB Bluetooth: Yes Bluetooth profiles: A2DP Bluetooth version: 4.0 Wireless range: 30 m Ear coupling: Supraaural Microphone type: Boom Microphone noise-canceling: Yes Microphone mute: Yes Battery type: Built-in battery Continuous audio playback time: 11 h Rechargeable battery: Yes Talk time: 12 h Battery charge indicator: YesBattery recharge time: 2 h Windows operating systems supported: Yes Mac operating systems supported: Yes Weight: 111 g Packaging data Package width: 181 mmPackage depth: 210 mmPackage height: 53 mmPackage weight: 310 g Quick start guide: YesReceiver included: YesCarrying case: YesCables included: USB Ear pad material: Faux leather Harmonized System (HS) code: 85183000