HP Elite Presenter Mouse (2CE30AA) - Connectivity: Buttons: Silent right and left buttons and scroll touch wheel, Silent right and left buttons, 3 buttons (right, left and scroll touch wheel), Power ON/Off switch, Connector description: Micro USB Type-A charging port, Wireless technologies: Bluetooth® 4.0 (BTLE Bluetooth® Low Energy): Battery type: Rechargeable Lithium-ion battery 350 mAh, Battery life: Up to 2 months, Minimum dimensions (W x D x H) 44 x 125 x 13.8 mm, Weight 70 g, Compatibility: Compatible with HP PCs with Bluetooth® 4.0 connectivity available