EPOS ADAPT 660 Headset Wired and Wireless Headband Office/Call Centre Micro-USB Bluetooth Black

Frequency band: 2.402 - 2.48 GHz | Operating relative humidity (H-H): 10 - 80% | Cables included: Micro-USB | USB connector: Micro-USB | Bluetooth: Yes | Wireless range: 25 m | Width: 49.1 mm | Battery type: Built-in battery | Weight: 226.8 g | Storage temperature (T-T): -20 - 60 °C | Noise canceling: Yes | Rechargeable battery: Yes | Package depth: 207 mm | Height: 193 mm | Product type: Headset | Cables included: Audio (2.5mm) | Product colour: Black | Bluetooth version: 5.0 | Battery recharge time: 3 h | Cables included: Audio (3.5mm) | Quantity: 1 | Microphone noise-canceling: Yes | Operating temperature (T-T): 0 - 40 °C | Bluetooth profiles: AAC | Products per master (outer) case: 10 pc(s) | Carrying case: Yes | Number of microphones: 3 | Recommended usage: Office/Call center | USB connectivity: Yes | Warranty period: 2 year(s) | Battery operated: Yes | Storage relative humidity (H-H): 10 - 90% | Wearing style: Head-band | Control type: Touch | Headphone frequency: 17 - 23000 Hz | Total Harmonic Distortion (THD): 0.5% | Standby time: 360 h | Microphone type: Built-in | Master (outer) case height: 220 mm | Fast charging: No | Connectivity technology: Wired & Wireless | Charging time: 180 min | Master (outer) case length: 432 mm | Headset type: Binaural | aptX technology: Yes | 3.5 mm connector: Yes | Microphone direction type: Omnidirectional | Master (outer) case gross weight: 6.3 kg | Ear coupling: Circumaural | Harmonized System (HS) code: 85183000 | Continuous audio playback time: 30 h | Acoustic system: Closed | Safety sheet: Yes | Bluetooth profiles: SBC | Master (outer) case width: 337 mm | Receiver included: Yes | Microphone frequency: 150 - 6800 Hz | Driver type: Dynamic