Features:
2.4GHz wireless and Bluetooth dual-mode connection, convenient to use.
Mute buttons, no need to worry about disturbing others.
Compact and portable, comfortable feel, easy to carry.
Adopt advanced optical tracking technology, fast click and response capability.
Ergonomic design, fit the palm, not feel fatigue.
Wide compatibility, suitable for home and office use.
Specification:
Brand: Logitech 
Model: Pebble 
Color: Black/White/Pink/BROWN/CONY(optional)
Connection: 2.4G wireless
Wireless transmission distance: 10m
Connection method: 2.4GHz wireless/Bluetooth
Sensor resolution: 1000dpi
Key number: 3
Battery: 1*AA battery(not included)
Supported OS: 
Bluetooth mode: Windows 8, Windows 10 or higher version, Mac OS 10.10 or higher, Chrome OS, Android 5.0 or higher
2.4GHz mode: Windows 10 or higher version, Windows 7, Windows 8, Mac OS 10.10 or higher, Chrome OS, Linux Kernel 2.6+
Item size: 10.7 * 5.9 * 2.65cm /4.21 * 2.32 * 1.04in
Item weight: Approx. 78g /3.53oz
Packing list:
1 * Mouse
1 * Nano receiver
1 * User manual