Logitech T-BC21 Wired USB Ergonomic Marble Track Ball Mouse Used but in good condition, tested & fully working Ambidextrous : The design of this trackball mouse provides long-lasting comfort for right- and left-handed peopleConvenient Button Controls : Let you easily move forward and backward when you’re surfing the WebFingertip-Based Control : Enables fast, accurate cursor movementsPatented Marble : The optical technology of this ergonomic computer mouse ensures smooth trackingVersatile : Compatible with Windows, Mac and other devices Will package securely and post promptly
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