Ergonomic design white mouse, LOGICOOL PEBBLE M350. Used for about a year. I am selling it because I no longer need it due to a change in my PC environment. Operation has been confirmed. Batteries included. Includes the attached USB receiver (stored inside the mouse). Product Description The Pebble M350 is a stylish, slim, silent wireless mouse. It supports two connection methods: Bluetooth wireless technology and a USB receiver. With a thickness of 26.5mm, it fits comfortably in your hand and is easy to carry. It also excels in silence, reducing click sounds by over 90% compared to conventional models. This mouse, which combines design and functionality, is the perfect mouse for working in quiet places such as conference rooms and libraries. Compatible OS: (USB port) Windows 7 or later, macOS 10.14 or later, Chrome OS (Bluetooth) Windows 8 or later, macOS 10.14 or later, Chrome OS, Android 5.0 or later, works on Surface. Sensor Technology: High-precision optical tracking Sensor Resolution: 1000 dpi Unifying compatible mouse: Yes Unifying compatible receiver: No Battery life: 18 months Battery type: AA battery x1 (installed) Wireless operating distance: 10 m *The wireless communication range may vary depending on the usage environment and computer conditions. Wireless technology: Bluetooth Low Energy technology