... , the maximum operating current is 200MA non-injury for computer-Handheld desin, granular vibration balls reliever fatigue ... , school, internet bar and travel, especially suitable for long-term staff engaged in computer operation.-Mini size ... ,light weight.-Reasonable in price.-A terrific gift.Shipping Details-Carton Size: 54x41.5x36.5-Outer ... 88,800PCS Mini USB Massager,it ideal for promotion gift