DinoFire Wireless Presenter Finger Ring USB Powerpoint Presentation Clicker Rechargeable RF 2.4 GHz Presentation Remote Control Laser Pointer Slide Advancer Support Mac

3 YEAR WARRANTY: Every products of our brand enjoys three years warranty and first-class after-sale service, buy it with confidence, we provide 100% money back guarantee. 2.4G RF frequency, which is an ISM free frequency can be used world-wide Transmitter Features: Technology: Radio Frequency Frequency: 2.4GHz Light Color: Red Control Distance: 40-50ft (12-15M) Light Distance: >330ft (100M) Laser Class: 3R Max Output: < 5mW Working Voltage: 1.5V Sleep Current less than10uA Dimension: 1.9*1*1.9 inch Receiver Features: Operation System: XP, Windows 7/8, Mac OS, Linux, Android USB Version: USB 1.1, compatible with USB2.0, USB 3.0 Working Voltage: 5V DC Package listing: 1 x Wireless Presenter remote control 1 x Wireless Receiver 1x Portable Case 1 x USB Charging Cable 1 x User Manual 1 x Warranty Card