Yealink UH44 Mono Teams Wired USB Headset USB-C/A Black mounting accessory Lithium Battery Energy Content ‎77 Installation Versatility with Lens WPA4220 9S7-15F412-023 Sort by Capacity:JC-90WGHUD1 wine cabinet-about 33 bottles

Yealink UH44 Mono Teams Wired USB Headset USB C A Black mounting accessory Lithium Battery Energy Content ‎77 Installation Versatility with Lens WPA4220 9S7 15F412 023 Sort by Capacity:JC 90WGHUD1 wine cabinet about 33 bottles Lithium Battery Energy Content ‎77 Watt Hours Model Engage 55 SE Mono UC Part Number 9653 430 111 Wearing Style Mono Headband Connectivity Wireless DECT via USB C Adapter Wireless Range Up to 150 metres Speaker Frequency Range 40 Hz – 16 kHz Microphone Type Noise Cancelling Microphone Talk Time Up to 13 hours Standby Time Up to 52 hours Battery Type Rechargeable Lithium Ion Charging Method USB C Weight Approximately 57 g Ear Cushion Material Leatherette Colour Black Titanium Security Encryption FIPS Military Grade 256 Bit Encryption Hearing Protection SafeTone 2