Specifications are provided by the manufacturer. Refer to the manufacturer for additional explanations. Basic Product Type: Mouse Movement Detection: BlueTrack Colour: Black Brand Name: Microsoft Pointing Device Connectivity Technology: Wireless Pointing Device Wireless Technology: Radio Frequency Number of Total Buttons: 7 Pointing Device Host Interface: USB 2.0 Scroller Type: Tilt Wheel Battery Information Battery Chemistry: Alkaline Battery Size Supported: AA Number of Batteries Supported: 2 General Information Product Type: Mouse Manufacturer Part Number: L6V-00006 Manufacturer Website Address: http://www.microsoft.com Manufacturer: Microsoft Corporation Product Name: Sculpt Ergonomic Mouse Product Line: Sculpt Ergonomic Brand Name: Microsoft Interfaces/Ports Pointing Device Host Interface: USB 2.0 Miscellaneous Package Contents: Sculpt Ergonomic Mouse 2 x AA Alkaline Batteries USB Receiver Device Supported: Computer Certifications & Standards: ISO 9001 ISO 14001 CNC Certificate (Argentina) ACMA Declaration of Conformity (Australia and New Zealand) ANATEL Certificate (Brazil) RSS-210 and IC ID, Certificate of Acceptance (Canada) SUBTEL Certificate (Chile) CMIIT Certificate (China) EIP Pollution Control Mark, EPUP (China) NTRA Certificate (Egypt) R&TTE Declaration of Conformity, Safety and EMC (European Union) MIC Certificate (Israel) VCCI and TELEC Certificates (Japan) TRC Certificate (Jordan) KZ Certificate (Kazakhstan) KCC Certificate (Korea) MPT Certificate (Kuwait) MOT Certificate (Lebanon) SIRIM Certificate (Malaysia) ANRT Certificate (Morocco) TRA Certificate (Oman) PTA Certificate (Pakistan) MTC Certificate (Peru) ICT Certificate (Qatar) EAC Certificates (Russia) CITC Letter (Kingdom of Saudi Arabia) IDA Approval (Singapore) ICASA Certificate (South Africa) BSMI and NCC Certificates (Taiwan) NTC SDoC Certificate (Thailand) UkrSEPRO Certificate (Ukraine) TRA Certificate (United Arab Emirates) FCC ID, Grant of Equipment Authorization (USA) UL and cUL Listed Accessory (USA and Canada) CONATEL Certificate (Venezuela) CB Scheme Certificate (International) COFETEL Certificate (Mexico) System Requirements: USB Port 150 MB Hard Drive Operating Systems: Windows 8 Windows RT1 Windows 7 Country of Origin: China Environmentally Friendly: Yes Environmental Certification: REACH WEEE RoHS Physical Characteristics Weight (Approximate): 155 g Colour: Black Height: 56.7 mm Width: 74.9 mm Depth: 98.2 mm Pointing Device Movement Detection: BlueTrack Movement Resolution: 1000 dpi Pointing Device Features: Ergonomic Pointing Device Connectivity Technology: Wireless Pointing Device Wireless Technology: Radio Frequency Pointing Device Wireless Operating Distance: 3.05 m Number of Total Buttons: 7 Scroller Type: Tilt Wheel Wireless Operating Frequency: 2.40 GHz