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電腦周邊,
雷射無線簡報鼠,
滑鼠,
腕隧道症
RSI and pain wrist saver,Track ball mouse,Laser Wireless RF Hand
Track,Laser Pointer,Presenter, Laser pointer, and wireless mouse,
Computer peripheral,Input device,Ergonomic Patent mouse,2.4GHz
transmission frequency,Carpal tunnel syndrome