Ultrasonic body massage

Material: ABS + zinc alloy
Input voltage: AC 100-240V 50 / 60Hz
Output voltage: DC 5V 1500mA
Power: 12W
Vibration frequency: 300,000 times/sec
Working voltage: 8.4V
Working current: 0.14? 9? 11.4A
Charging voltage: 5V
Charging time: about 2.5 hours
Use time: about 1 hour

Size: 9 * 10cm (length * height)