GM15 Art, dual-mode wireless mouse, 2.4G / BT v3.0 + v5.0 connection, 800 / 1200 / 1600 DPI, 4D button Scheme: yichip. Chip: YC3065. Connection mode: 2.4G / BT (v3.0 + v5.0). DPI: 800 / 1200 / 1600. The service life: about 3 million times. Button type: 4D button. Compatible with most desktops, laptops, mobile phones, tablets.