🖱️ Finally, sale on Japan Amazon! This Logitech M575SPd silent wireless trackball mouse got 80% less clicking sound than the old model, and more stable connection, so you won't disturb others whether you're at home or in the office. • Now heavily discounted on Amazon Japan, saving you a lot of money! • Ergonomic design, not easy to get tired even with prolonged use, and has the exclusive Smart Actions function, which can set macros to improve work efficiency. • Supports Bluetooth and Logi Bolt wireless technology for more reliable connection, and is made with recycled plastic, environmentally friendly and thoughtful. • Plus, with a battery life of up to 18 months, it's really super convenient. This mouse is very popular in Japan. Ergonomically design