4合1包括无线遥制器、红色镭射指标、原子笔和触控屏手写笔
随插即用，支援Windows和Mac
3按钮控制向上/向下翻页和镭射指标
高品质黑色墨水(D1笔芯，长67毫米)
RF通信距离可达15米
附送三粒LR41电池
重量︰40g

4 in 1 mean slideshow controls, laser pointer, ball pen & tablet pen
Plug-and-play, for Windows and Mac
3-button controls: page up/down & laser light
High quality pen with black ink (D1 refills, length 67 mm)
RF communication range up to 15 m
Including 3 coin cell batteries (type LR41)
Weight: 40g