TECKNET Ergonomic Mouse, Wireless Bluetooth Vertical Mouse, 4800 DPI Optical Tracking, 6 Adjustable DPI, Quiet Clicks, 2.4GHz with USB A Receiver, 12 Months Battery, 6 Buttons, Wide Compatibility

This ergonomic mouse supports Bluetooth (5.0/3.0) and 2.4GHz USB A connections, offering six DPI settings and silent operation.

• The mouse can connect to two devices simultaneously via Bluetooth.
• Pressing and holding the bottom button for 3 seconds enters connection and pairing state.
• Short pressing the button switches connection modes.
• Changing DPI causes the light to flash, indicating the selected level.