Features: brand new and high quality Switch to presentation mode(P1) to control PPT and to media mode(P2) to control music and volume. Adopting 2.4Ghz RF transceiver, it offers low power consumption and good performance, used widely in any kind of public occasions. USB receiver, plug and for play. Connected with USB cable, you can charge it with laptop, PC, power bank. Red indicator, warm reminder for participants to catch each detail you speak. Wide compatibility,for Win7/8/10, MAC-/iOS, Android, Unix, Linux system and Office series page-turning format files . Specifications: Remote control distance: 100m Red light range: About 200m Battery: Lithium battery Battery capacity: 200mAh Rated voltage: 3.7V Transmitting technology: 2.4Ghz RF Color: Black, White, Pink ( Optional ) Item size: approx140x 22x 12mm/5.51x0.87x0.47in Item weight: 28g Note: Due to differences in lighting and screen settings, the color of the product may be slightly different from the picture. Due to different manual measurements, please allow slight size differences. Package includes: 1 x Multimedia remote control 1 x USB cable 1 x User manual