Function 1: Portable mouse for travel and meetings Function 2: Ergonomic mouse design Function 3: Compatible with computers and laptops Feature: Mini mouse Acceleration: 30G Movement speed (IPS): 100 Sensor model: Pixart 3311 (12000 DPI, 300 IPS, 35G) Operation mode: Photoelectric type Power supply type: Rechargeable Number of buttons: 3 Number of rollers: 1 Hand direction: Ambidextrous Packaging: Included Style: 3D, mini Resolution: 1200 DPI Interface type: USB Type: 2.4GHz wireless Tracking: Optical sensor Power supply: Rechargeable lithium battery Size: 8.2 x 2.6 x 2.2 cm Material: ABS Color: Black Package contents: 1 x Mouse 1 x Data cable Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement allowance is +/- 1-3 cm.