DUDAN ABS Wireless Optical Presenter Pen Mouse Wireless Bluetooth Compatible Vertical 4 Keys Mini Mice Wireless Mute Mice Optical Presenter Pen 2.4GHz Presenter Vertical Pen Mouse Pad Computer PC Laptop

Size: 140mm x 20mm x 15mm/5.51 x 0.79 x 0.59 Approx. Package contents: 1 pc Pen Mouse. Features: Wireless, Ergonomic Design, Pen Shape, Easy to Use. Material: ABS. Item Name: Wireless Mouse. Features: Wireless, Ergonomic Design, Pen Shape, Easy to Use. Size: 140mm x 20mm x 15mm/5.51 x 0.79 x 0.59 Approx. Material: ABS. Package contents: 1 pc Pen Mouse. Power Supply: 1 x 1.5V AAA Battery Not Included). Item Name: Wireless Mouse. Notes: 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