Compact for portability; You&ll appreciate how the Bluetooth Mobile Mouse 3600 comfortably fits your hand & your mobile lifestyle Use it just about anywhere even on a rough park bench or your living room carpet relying on Microsoft Blue Track Technology 1 No transceivers or wires to manage Keep using your mouse for up to six months with a single battery Input device Buttons type Pressed buttons Bluetooth version 41 LEPurpose Travel Recommended usage Universal Scroll Yes Scroll type Wheel Number of scroll wheels 1 Frequency band 24 Movement detection technology Blue Track Buttons quantity 3 Device interface Bluetooth Ports & interfaces Bluetooth version 41 LEWireless range 10 m Frequency band 24 Design Colour of product Black Red Form factor Ambidextrous