Features: 1.HEALTHY: This superior wired vertical laser mouse adopts scientific ergonomic layout, it can effectively prevent the Carpal Tunnel Syndrome 2.UNIQUE: Its unique shape supports your hand in an upright neutral posture that generally avoids forearm twisting 3.SENSITIVITY: Using laser sensing technology, it has advanced mouse sensor performance 4.PORTABLE: Compact size and excellent sensitivity, convenient to carry and easy to 5.EFFORTLESS: With it in charge, you will operate freely specification: HEALTHY: This superior wired vertical laser mouse adopts scientific ergonomic design, it can effectively prevent the Carpal Tunnel Syndrome UNIQUE: Its unique shape supports your hand in an upright neutral posture that generally avoids forearm twisting SENSITIVITY: Using laser sensing technology, it has advanced mouse sensor performance PORTABLE: Compact size and excellent sensitivity, convenient to carry and easy to operate, all of these characteristics make it stand out from the crowd EFFORTLESS: With it in charge, you will operate freely Package included: 1 x Wired Vertical Mouse