Product type: Headset Wearing style: Head-band Recommended usage: Office/Call center Headset type: Monaural Product colour: Black DECT connectable: Y Country of origin: China Connectivity technology: Wireless Wireless range: 120 Ear coupling: Supraaural Headphone frequency: 150 - 7000 Impedance: 64 Headphone sensitivity: 91 Microphone type: Boom microphone Microphone frequency: 100 - 10000 Microphone sensitivity: -30 Microphone direction type: Unidirectional microphone Microphone noise-canceling: Y Talk time: 8 Battery recharge time: 3 Standby time: 33 Operating temperature (T-T): 10 - 40 Storage temperature (T-T): 0 - 60 Width: 165 Depth: 165 Height: 30 Weight: 80 Package width: 200 Package depth: 180 Package height: 35 Package weight: 80 Harmonized System (HS) code: 85183000 Master (outer) case width: 379 Master (outer) case length: 576 Master (outer) case height: 144 Master (outer) case gross weight: 4300 Products per master (outer) case: 36 RJ-9 connector: Y