Welcome to the store! 1. Ergonomic design with unique curved shape, long-lasting comfort without pain, secure grip, easy to hold. 2. 2.4G wireless remote control, comprehensive image control function including forward, backward, start, pause, and screen-off features. 3. Excellent touch sensitivity, comfortable to hold, lightweight and discreet design. 4. Wireless control of presentation files up to 15 meters away with an integrated indicator to help viewers focus on key image parts. 5. Compatible with Windows 10/XP/Vista/IOS/Linux systems. Product type: Electronic remote pen Material: ABS + PC Color: As shown in images Battery: 1 x AAA battery (not included) Operating voltage: 1.5V Remote control technology: 2.4G Light range: >300M Light wavelength: 650nm Power: <1m or <5m cover Control distance: Approximately 13M (Note: Actual effective distance varies with environment) Operating system: For Windows 98/SE/ME/2000/XP/Vista/IOS/Linux Compatible interface: USB1.1, USB2.0 Operating voltage: USB power supply (4.5-5.5V) Weight: Approximately 28g (battery not included) Dimensions: Approximately 105x40x30 mm / 4.13x1.57x1.18 in