Brand new and unopened. This is the ThinkPad Bluetooth Silent Mouse, featuring Bluetooth 5.0 and dual-host connectivity, with a silent design. - Brand: Lenovo - Model Name: ThinkPad Bluetooth Silent Mouse - Connectivity: Bluetooth 5.0 - Battery Type: 1 x AA battery - Usage Time: Approximately 12 months - Design: Low Profile Mouse - Features: Dual-host connectivity - Features: Silent buttons Thank you for viewing.