Item Type: Pen-type mouse_x000D_ Model: PR-03_x000D_ 2.4G Wireless Mouse Transmission Distance: 10 meters_x000D_ 3-Step DPI Adjustment: 800/1200/1600_x000D_ Mini Wireless Receiver_x000D_ Supported Systems: For Windows 7/8 / Vista/ XP/ 2000 / Android / Linux / OS X._x000D_ Battery: Use 1 AAA battery (not included)_x000D_ Product Color: Red / Blue / Gray (Optional)_x000D_ Number of Keys: 4_x000D_ Wireless Carrier Frequency: 2402 MHz-2480 MHz_x000D_ Wireless Working Channels: 16, automatic frequency hopping_x000D_ Rated Working Voltage: 1.5V_x000D_ Rated Working Current: 6 mA_x000D_ Tracking System: Optical_x000D_ Maximum Acceleration: 14 inch/second_x000D_ Material: ABS plastic1With 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.Low Voltage Alarm Function:_x000D_ When all batteries are low, the low?voltage alarm light of the pen and mouse will light up to remind you to replace the battery as soon as possible. When replacing the battery, you must use alkaline AAA batteries.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