Power Input: AC 110-240V, 50/60Hz, 0.8A MAX
Output: DC 5.0V
Power Consumption: 4W MAX
Battery: 1500mAh rechargeable lithium battery
Operating Time: Approx. 4.5 hours continuous use on full charge
Max Amplitude: 400μm
Ultrasonic Frequency: 40±5KHz
Head Rotation: 360°
Activation Timer: 5-15 minutes, adjustable
Operation: Single-button control with LED charge/status indicator