Description 2.4GHz Wireless Computer Pen Mouse Pen Creative Vertical Form Tablet Laptop PC Desktop Pen 100% Brand New, High Quality Features: 2.4GHz wireless connection, up to 10m operating distance (depending on environment). Energy saving: Automatically shuts off if there is no 2.4GHz signal. Ergonomic design, fits comfortably in your hand, low voltage alarm function. Pen-shaped, especially suitable for handwriting input. True Plug and Play, no extra driver needed. Specifications: Item Type: Computer Pen Operating Frequency: 2402 MHz-2480 MHz Transmission Distance: Up to 10 m Adjustable Resolution: 800/1200/1600 DPI Number of Keys: 4 keys Tracking System: Optical Operating Current: 1.5V 15mA Power Supply: 1.5V AAA x 1 (not included) Material: ABS Size: Approx. 14 x 2 x 1.5 cm / 5.51 x 0.79 x 0.59 inches Color: Red / Gray / Blue Quantity: 1 pc Note: Transition: 1 cm = 10 mm = 0.39 inches. Please allow 0-1 cm error due to manual measurement. Please ensure you don't mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Pen Mouse 1 x USB 2.4GHz Receiver (other accessories demo in the picture is not included.)