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Motor & Speed: Operates up to 10,000 RPM using a consistent hollow-cup or strong rotary motor.Battery Life: Powered by a rechargeable battery (ranging from 1600mAh to 2300mAh depending on the exact model/version) that offers roughly 5 to 6 hours of continuous work time.Digital Display: Features an LED screen showing current voltage (adjustable from 5V to 12V), battery level, and working frequency.Stroke Length: Offers versatile adjustable stroke settings (such as a fixed 4.2mm on the P2 or multi-adjustment ranges on upgraded editions).Portability: Lightweight build (around 154g for the pen itself) with USB Type-C charging.