Wireless HOCO GM15 optical mouse equipped with 4 buttons and a scroll wheel. The mouse has a sensor with a sensitivity of 1600 dpi. Designed for home and office use. Comfortable, wireless mouse allows for comfortable use without any restrictions with a cable. Compatible with Windows 98 / ME / 2000 / XP / Vista / 8/10/11 operating systems. Thanks to dual-channel wireless connectivity: radio 2.4G and Bluetooth (3.0 + 5.0), the mouse connects to most desktops, laptops, mobile phones, tablets and smart TVs. Specification: Sensor: Optical YC3065 Number of buttons: 4 Number of rolls: 1 Button under the roller: Yes Button to change dpi: Yes Profile: Universal Resolution: 800/1200/1600 dpi Connection: Wireless 2.4G / Bluetooth (3.0 + 5.0) Interface: USB / Bluetooth (Dual Channel) Lifetime: 300W clicks, 300,000 scrolls Power: 1x AA 1.5V batteries Material: ABS Size: 109 * 63 * 31 mm Weight: 60 g Compatible with: most desktops, laptops, mobile phones, tablets, smart TVs