Lenovo EPOS ADAPT 561 II Headset Wired & Wireless Head-band Office/Call center USB Type-C Bluetooth Black

Certification: CB, BQB, CE, UKCA, RCM, FCC, ICES, BIS, SIRIM, SDoC, RAMATEL, ANATEL, BSMI | Battery recharge time: 3.5 h | Bluetooth version: 5.0 | Charging stand: No | Acoustic system: Closed | Headset type: Binaural | Package width: 183 mm | Charging source: USB | USB connectivity: Yes | Windows operating systems supported: Yes | Safety sheet: Yes | Operating temperature (T-T): -20 - 70 °C | Other operating systems supported: ChromeOS | Recommended usage: Office/Call center | Wireless receiver interface: USB Type-C | Driver type: Dynamic | Folding microphone: Yes | Operating relative humidity (H-H): 10 - 85% | Headphone frequency: 20 - 20000 Hz | Microphone frequency: 100 - 10000 Hz | Charging time: 210 min | USB connector: USB Type-C | Battery operated: Yes | Package type: Box | Package height: 207 mm | Total Harmonic Distortion (THD): 0.3% | Receiver included: Yes | Bluetooth profiles: SBC | Product colour: Black | Ear coupling: Supraaural | Package depth: 65 mm | Bluetooth profiles: AAC | Cables included: USB Type-C to USB Type-C | Product type: Headset | Maximum input power: 50 mW | Weight: 245 g | Wearing style: Head-band | Standby time: 1944 h | Microphone type: Boom | Microphone direction type: Omnidirectional | Microphone input impedance: 32 Ω | Headphone sensitivity: -24 dB | Driver unit: 4 cm | Wireless range: 30 m | Foldable: Yes | Charging case: No | Bluetooth: Yes | Sound pressure level (max): 108 dB | Connectivity technology: Wired & Wireless | Impedance: 32 Ω | Mobile operating systems supported: iOS | Number of microphones: 2 | Package weight: 524.5 g | USB Type-C charging port: Yes | Distortion: 0.3% | Talk time (ANC off): 41 h | MEMS (Micro-Electro-Mechanical System) microphone: Yes | Continuous audio playback time (ANC on): 24 h | Hybrid noise-canceling: Yes | Talk time (ANC on): 24 h | Continuous audio playback time (ANC off): 46 h | Microphone noise-canceling: Yes | Optimized for: UC