?Low noise£¬ quite when click£¬ no disturbtion to others.<br><br><strong>Features:</strong><br>Bluetooth technology£¬ more convenient compared with that with usb cable.<br>Ergonomic design£¬ convenient and comfortable to use.<br>800/1400/1600 adjustable CPI£¬ meet your different need.<br>Great for PC tablet notebook smartphone.<br><br>Note: make sure your device is bluetooth accessable before use. And for ipone paring£¬ mobile jailbreak first.<br><br><strong>Specifications:</strong><br>Type: bluetooth mouse<br>Version: bluetooth 3.0<br>Color: black<br>CPI: 800/1400/1600 (adjustable)<br>Battery: 2 * AAA battery (not included)<br>Item weight: 53g / 1.87oz<br>Item size: 6.5 * 9.5 * 3.5cm / 2.55 * 3.74 * 1.37in ( L * W * H )<br>Package weight: 76g / 2.69oz<br>Packae size: 12 * 7.5 * 4.5cm / 4.72 * 2.95 * 1.77in ( L * W * H )<br><br><strong>Package list:</strong><br>1 * Mouse