Manufacturer: HP Inc. Manufacturer Part Number: 7E2L1AAABA. Brand Name: Poly. Product Line: Savi 7300 Office. Product Model: 7320. Product Name: Savi 7300 Office 7320 Headset. Packing: Box. Product Type: Headset. [Technical Information] Connectivity Technology: Wireless. Wireless Technology: DECT 6.0. Wireless Operating Distance: 590 ft. Sound Mode: Stereo. Minimum Frequency Response: 20 Hz. Maximum Frequency Response: 20 kHz. Features: Acoustic Fence Technology. Echo Reduction. Noise Reduction. SoundGuard Technology. Battery Status Indicator. Noise Canceling: Yes. Microsoft Teams Certification: Yes. Adjustable Headband: Yes. [Battery Information] Battery Chemistry: Lithium Polymer (Li-Polymer). Battery Talk Time: 13 Hour. Battery Rechargeable: Yes. Batteries Required: Yes. [Earpiece] Earpiece Design: Over-the-head. On-ear. Earpiece Type: Binaural. Driver Size: 0.56". [Microphone] Microphone Technology: Noise Cancelling. Microphone Design: Boom. [Controls/Indicators] Earpiece Controls: Answer/End. Mute. Volume. On/Off Switch. [Physical Characteristics] Color: Black. Ear Cushion Material: Synthetic Leather. Form Factor: Ear-cup. Weight (Approximate): 5.64 oz. [Miscellaneous] Application/Usage: Call Center. Office. Desk Phone. TAA Compliant: Yes. [Warranty] Limited Warranty: 2 Year.