Mouse Device interface: RF Wireless + Bluetooth Movement detection technology: Optical Number of scroll wheels: 1 Movement resolution: 2400 DPI Buttons quantity: 10 Scroll type: Wheel Connectivity technology: Wireless Buttons durability (million clicks): 5 Number of movement resolution modes: 3 Purpose: Office Bluetooth version: 5.3 Scrolling directions: Vertical Multi-device support: Yes Bluetooth Low Energy (BLE): Yes Frequency band: 2.4 GHz