PR-03 2.4G USB Receiver Adjustable 1600 DPI Wireless Optical Pen Mouse for Computer PC Laptop Drawing Teaching (Red) Tag-12.9 inch 2021 The headset:

The headset:

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PR-03 2.4G USB Receiver Adjustable 1600 DPI Wireless Optical Pen Mouse for Computer PC Laptop Drawing Teaching (Red) Tag-12.9 inch 2021 The headset:1. Pen design 2. 4GHz wireless optical mouse, effective distance 10m. 2. 4 buttons. 3. 3 Levels DPI Adjustable: 800 1200 1600DPI. 4. Operating frequency: 2. 402GHz~2. 480GHz. 5. Channel: 16 with Automatic frequency hopping. 6. Tracking method: Optical technology. 7. Maximum acceleration: 14 inches second. 8. Mini USB receiver, plug and play (Insert the mini receiver into computer USB combo, the pen mouse has been matched with the receiver when out of