1、Lithium Battery Charging Model: The presentation clicker is a lithium battery charging model, free drive installation, plug and play, magnetic absorption, convenient to carry 2、Ergonomic Design: The presentation clicker is an ergonomic design with a comfortable grip. One charge, the clicker can be used for 90 days, the keys are sensitive and not garbled 3、Low Radiation: The presentation clicker has low radiation, and the light is up as soon as it is pressed, which meets the national testing standards 4、2.4G High Sensitivity Chip: The presentation clicker has a 2.4G high sensitivity chip for stable remote control, meeting daily needs 5、Simple Operation: Operation is simple and convenient, the presentation clicker can be used without complicated process Item Type: Presentation Clicker Material: ABS Model: LZ B2 P1 Mode: Page Turning Pen Mode P2 Mode: Multimedia Mode Launcher: Control Technology: RF2.4GHz Control Distance: ≤ Approx. 100meters/109yd Light Distance: > Approx. 200meters/219yd Working Voltage: 3.7V Sleep Current: <20uA Operating System: For Win XP, for win 7, for win 8, for win 10, for OS X, for Linux, for Android Q Battery Type: 200mAh Rechargeable Lithium Battery (built in) Receiver: Compatible Interface: USB 1.1/2.0/3.0 Working Voltage: USB Bus Power Supply (4.5-5.5V) 1 x Presentation Clicker 1 x Receiver 1 x Charging Cable 1 x User Manual