Mouse - Universal - 2.4 GHz ergonomic wireless vertical mouse Wireless vertical mouse for PC laptops | 2.4GHz Mouse | Engraved Mouse(Black) Universal Highlights 2.4GHz Ergonomic Wireless Vertical Mouse Wireless Vertical Mouse for PC Laptops | 2.4GHz Mouse | Engraved Mouse(Black) Ergonomic Wireless Vertical Mouse 2.4GHz Wireless Vertical Mouse for Laptop PC | Mouse 2.4GHz | Delux M618/M618gl Ergonomic Lectopvertical Computer Mouse Mice Ergonomic Wireless Vertical Mouse M618Plus Wireless Vertical Laptop Computer Mice M618Plus Features 1. According to the shape of a man's hand, hand wrist, curve design of arms of the main and collateral canals. Off-duty reserve status, give you a relaxed posture, eliminate RSI 2 mouse hand. The mouse is with tire pad design, effective prevention of hand sweat and other reasons caused by the question of the hand, the palm structure design allows you to move the mouse quickly, will remove the palm rest that you can also enjoy the feeling of the mouse moves like flying. 33tft and straight symmetrical structure, obvious outline of the center, breaking the traditional technology. Side snap button, makes the design more home. 4.M618 Support three steps DPI Adjustment, they are 800/1000/1600 DPI, DPI DPI corresponding to different display and operation, you can according to different dpi in order to freely adjust Specification Product Name: Delux M618/M618gl Wireless Vertical Mouse Size: 135.5 x 100.0 x 87.0mm Material: ABS Distance: max 10m Interface: 2.4GHz wireless DPI: 800/1600DPI Working Volt: 5V Working Current: 50mA Standby Current: 16mA Weight: 11510g Package include: M618 Mouse x 1 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.