GM29 Mysterious dual-mode silent wireless mouse

“1. Material: ABS+PC
2. Size: 110*60*31mm, Weight: 58g
3. Solution: Gigamicro Billions, Chip: MX8650
4. Connection mode: dual mode Bluetooth 2.4G+
5. DPI value: 800-1200-1600 (CPI value: 800-1200-1600)
6. Service life: 3,000,000 times
7. Buttons: 4 buttons”