USB charging
<br />Ultra-silence & Detachable
<br />Parameter Introduction
<br />Product name: Electric penis pump
<br />Material: Medical ABS +PC + soft lining
<br />Color: Pearl white
<br />Power: USB charging
<br />Specification: Height 315 * Diameter 73 mm
<br />Vacuum time: 15 -40 seconds
<br />Maximum negative pressure: - 55Kpa