Logitech Pebble 3-keys 1000DPI Wiress Bluetooth Optical Mouse 1. It is a portable mouse that is suitable for carrying around. The shape is smooth and gentle, the rounded design makes it fe comfortable and can be conveniently placed in a pocket or bag. 2. Familiar button fe, click sound is reduced by about 90%, equipped with a mute wide rubber roller, so that you can concentrate on work without affecting others. 3. Easily connect via Bluetooth or USB receiver, even connect two computers at the same time, with no dropped frames or s. 4. Tracking quickly and accuraty, the cof shop desktop or bed provides a consistent and stable experience. 5. 18 months battery life, no need to worry about low battery, you can automatically enter sleep mode when you are idle to save power. Specification: 1. Mouse size (height x width x depth): 26.5x59x107mm. 2. Weight (with battery): 100g. 3. Nano receiver size (height x width x depth): 14.4 x 18.7 x 6.1 mm. 4. Receiver weight: 1.8g. Receiver system requirements: 1. Available USB port. 2. Windows 10 or higher, Windows 8, Windows 7. 3. MacOS X 10.10 or higher. 4. Chrome OS. 5. Linux Kern 2.6+. Bluetooth system requirements: 1. Bluetooth low energy technology. 2. Windows 10 or higher, Windows 8. 3. MacOS X 10.10 or higher. 4. Chrome OS, Android 5.0 or higher. Technical specifications: 1. Sensor: High precision optical tracking. 2. Sensor resolution: 1000dpi. 3. Number of buttons: 3. 4. Roller: Mechanical roller. 5. Whe button: Middle button. 6. Mouse support Unifying: . 7. The receiver supports Unifying: No. 8. Battery life: 18 months. 9. Battery type: 1 AA battery. 10. Wiress operating distance: 10m. 11. Wiress technology: Logitech receiver or Bluetooth low energy technology. Package Contents: Wiress mouse x 1 Nano Receiver x 1 User Documentation x 1