1. SE69D wireless engine 2. Silent and micro keys, triggers sensitively 3. 15 minutes without operation, it will enter into sleep state to saving power 4. 3 levels adjustable DPI (800/1200/1600DPI) 5. 2.4GHz wireless connection 6. Interface: mini USB 7. Built-in battery, 2.5 hours charging time, about 25 days working time 8. Number of keys: 6 9. Size: 132x77x41mm 10. Weight: 110g

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