Three pens per package to cover different tasks - Material: high quality ABS ensures sturdy and durable construction - Size and weight: compact and lightweight for easy handling and comfortable use - Reliability and compatibility: supports infrared, pressure sensor, optical whiteboard and interactive tablet Key benefits - Versatile compatibility across multiple input technologies reduces clutter and the need for multiple styluses - Easy to use for students, teachers, and presenters with smooth operation on compatible devices - Durable ABS construction supports frequent daily use in classrooms, offices, and meeting spaces Use scenarios - Education and training: use on optical whiteboards or interactive tablets to annotate lessons, highlight key points, and facilitate collaboration - Meetings and presentations: write, draw, and annotate during discussions on interactive whiteboards or tablets to share ideas in real time - Creative work and note taking: sketch and take notes on devices that support infrared, pressure sensor, optical whiteboard, and interactive tablet inputs for a natural drawing experience