Product model: GB-868 Product material: ABS+lithium battery+motor+silicone Charging method: USB Product color: Black/Silver/Green Battery capacity: 1200MA Adjusting gears: 9 modes/9 levels of force Rated voltage: 5V-1A Rated power: 20W Charging time: 2-3 hours Idle time: 40 minutes (one level) Load time: 30-35 minutes (first gear)