Pen for Powerpoint Presentation RF Remote Controller + USB

Features: * pen-shape, portable, compact and stylish * Support various operating systems * USB 2.0 port, compatible with USB 1.0 * Built-in laser pointer with Page Down / Page Up buttons * RF wireless link, no necessary to point the pointer to the receiver * No driver required, just plug and play * Simple in operation Specifications: Transmitter: * Color: Black * Radio frequency: 2.4GHz * Laser output power: <1mw * Battery power: 1pcs 1.5v Alkaline battery * Operation current: 10mA * Dimension: L115mm* W18mm* H19mm * Net weight(battery not included): 18g Receiver: * Color: Black * Interface: USB 2.0 * Supported OS: Win 98/98SE/ME/2000/XP * Power: USB DC 3.0V * Operation current: 1.5 - 3mA * Dimension: L65mm* W7mm* H20mm * Net weight: 12g Package Including: 1* 2-In-1 Wireless Laser Pointer Pen with USB Presenter 1* Carry base( blue/ silver/ black) 1* User manual