SPECIFICATION DIMENSIONS (Medium): Length: 4.72in (120mm) Width: 2.48in (63mm) Height: 1.5in (38mm) Weight: 59g (+- 1g) / 2.08oz DIMENSIONS (Mini): Length: 4.56in (116mm) Width: 2.4in (61mm) Height: 1.45in (37mm) Weight: 56g (+- 1g) / 1.97oz SENSOR PAW3395 26000 DPI 650 IPS 50g Acceleration 1000Hz/1ms Polling Rate 32bit ARM Processor GENERAL Symmetrical Speed of light, Optical Switches 5 buttons configuration Ultra-light weight Latest flagship 26K Sensor Fully customizable sensor setting Fully customizable keys and macros. Superflex Paracord Cable Ultra Durable Lag free wireless technology TTC Gold Encoder REQUIREMENT USB Port Operating System (Windows, Mac, Linux) Internet connection (to download software) Windows 7 or higher (for Pulsar Software) PACKAGE CONTENTS X2 Wireless Mouse x 1 Wireless Receiver adapter x 1 Wireless Receiver x 1 USB-C Cable x 1 Superglide Glass Mouse Skates Set x 1 Extra PTFE Mouse Skates Set x 1