Product details of RIZYUE 2.4GHZ WIRELESS+BLUETOOTH UNIVERSAL MOUSERIZYUE 2.4GHz+Wireless Bluetooth Mouse Universal compatibility with computers and laptops  Dual connectivity for convenience  Sleek and ergonomic design for comfortable use Model: π 12 weight 45.2 number of keys pressed:3D connection mode:2 4G Dpi-3000. Key life:3 million.RIZYUE 2.4GHz+Wireless Bluetooth Mouse • Universal compatibility with computers and laptops • Dual connectivity for convenience • Sleek and ergonomic design for comfortable use • Model: π 12weight 45.2number of keys pressed:3Dconnection mode:2 4GDpi-3000.Key life:3 million.