1. Remote control technology: 2.4G 2. Remote control distance: 30m 3. Power supply mode: lithium battery 4. Battery voltage: 3.0V-4.2V 5. Magnetic adsorption design, easy to store and prevent loss. 6. The microphone is amplified with one button, and the writing is precise and continuous without delay. 7. Replaceable nib, digital laser display. 8. Using 2.4G technology, all-round 360-degree information transmission without dead ends.
