Welcome to our store! 1With simpler move operation than ordinary mouse, such pen-type mouse adopts ergonomic design, more suitable for grip. 2Preferred by notebook users, USB computer stylus can be compact, plug and play, no need to drive. 3And pen-type mouse is with on/off switch, which also adopts optical tracking system. 4Universal 2.4ghz wireless USB light pen mouse, adjustable 800/1200/1600dpi, 4 button, suitable for PC intelligent TV. 5Support systems for Windows 7 / 8 / Vista / XP/ 2000 / Android / Linux / OS X. Item Type: Pen-type mouse Model: PR-03 2.4G Wireless Mouse Transmission Distance: 10 meters 3-Step DPI Adjustment: 800/1200/1600 Mini Wireless Receiver Supported Systems: For Windows 7/8 / Vista/ XP/ 2000 / Android / Linux / OS X. Battery: Use 1 AAA battery (not included) Product Color: Red / Blue / Gray (Optional) Number of Keys: 4 Wireless Carrier Frequency: 2402 MHz-2480 MHz Wireless Working Channels: 16, automatic frequency hopping Rated Working Voltage: 1.5V Rated Working Current: 6 mA Tracking System: Optical Maximum Acceleration: 14 inch/second Material: ABS plastic .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1 x Wireless Mouse Capacitive Pen1 x Mouse Base1 x USB Receiver1 x User Manual1 x USB to Type-C Adapter1 x USB to Micro Adapter (Customer Satisfaction) - is our priority. If you notice any problems with the products after receiving the goods, such as damaged goods or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory after-sale service. Thanks for seeing me, I hope I can help you. Good life to you.