The lightweight Bluetooth headset can connect to two Bluetooth devices at the same time! Using the Bluetooth function, you can speak hands-free while driving or use Skype, Teams, and other chat programs hands-free. Perfect for business and busy lifestyles, this headset offers noise cancelling technology for crystal clear conversations, a multi-function button for voice command, redialling the last number, and call rejection. An onboard Li-Po (Lithium Polymer) battery is charged via USB or when placed in its' dock (USB cable included). This device can be paired with any Bluetooth mobile phone or smartphone. Features: Bluetooth 5.0 Included Charging Cradle Working Time: About 15 hours at 50% volume