CRYSTAL CLEAR NOISE CANCELLING CALLS : Using Qualcomm cVc Echo Canceling Noise Suppression Technology to deliver clear voice quality when making calls. Our Uni-Directional Noise Cancellation Microphone together with the Qualcomm Noise Suppression Processor reduces background noise which greatly improves speech transmission. | BATTERY LIFE AND TALK TIME: Our Battery offers a standby time of up to 500 hours with a talk time of 22 hours and 19 hours media playing time. This Extended Battery life allows you to use this headset for multiple working days without any charging interruptions. | QUICK CHARGE TIME: A Standard USB charging cable is included with both the BT75 and BT85. This cable can connect into either your PC or a standard wall block charger and will offer a FULL charge in only 90 Mins. | ALL DAY WEARING COMFORT: The Headset Range is lightweight with the BT75 at 85 grams and BT85 at 120 grams. It includes breathable leather cushions and a wide extendable headband to provide an ergonomic fit perfect for all day wearing use. | COMPATABILITY AND MULTIPOINT CONNECTIVITY: The BT75 AND BT85 headset is compatible with all major UC Computer Voice Platforms including Microsoft, Teams (includes remote call answer) , Skype, Zoom, Avaya, Cisco, Ring Central, Vonage Nextiva, 3CX + Many More. Headset includes multipoint connectivity and will connect and work with 2 Bluetooth devices simultaneously including Computer, Cell or Desk Phones with Bluetooth headset capabilities.