Logitech Pebble Cobblestone Shape Thin 3-keys 1000DPI Mute Wireless Bluetooth Optical Mouse, Wireless Range: 10m 1. It is a portable mouse suitable for carrying around. The smooth and warm shape, rounded corner design, comfortable feel, and easy to put in a pocket or bag. 2. The familiar button feel, the click sound is reduced by about 90%, and it is equipped with a silent wide rubber roller, so that you can concentrate on your work without disturbing others. 3. Easily connect via Bluetooth or USB receiver, and even connect to two computers at the same time, without any frame drops or delays. 4. Fast and accurate tracking, providing a consistent and stable experience on the desktop of a cafe or in bed. 5. 18-month battery life, no need to worry about low power all the time, and it can automatically enter sleep mode to save power when idle. Specifications: 1. Mouse size (HxWxD): 26.5x59x107mm. 2. Weight (including battery): 100g. 3. Nano receiver size (HxWxD): 14.4 x18.7x6.1mm. 4. Receiver weight: 1.8g. Technical specifications: 1. Sensor: High-precision optical tracking. 2. Sensor resolution: 1000dpi. 3. Number of buttons: 3. 4. Scroll wheel: Mechanical scroll wheel. 5. Scroll wheel button: Middle button. 6. Mouse supports Unifying: Yes. 7. Receiver supports Unifying: No. 8. Battery life: 18 months. 9. Battery type: 1 AA battery. 10. Wireless operating distance: 10m. 11. Wireless technology: Logitech receiver or Bluetooth low energy technology. Package contents: Wireless mouse x 1 Nano receiver x 1 User documentation x 1 (xhc-03)