Micro Hollow Cup Vibration Motors with Magnetic DC 1.5V-5V 80mA 21x6mm 10Pcs. Features: Stable performance, strong power, long service time. Widely used in mobile phone, electric toys, electronic, mini fan etc. The higher the voltage, the better the vibration, but it's easy to generate heat. Specification: Material : Metal Rated Current: 80mA Rated Voltage: DC 1.5V Voltage Range: DC 1.5V-5V Cable Length : 10mm/ 0.4 inch Motor Size : 21 x 6mm / 0.8 x 0.2 inch (L*D) Package Content: 10 x Mini Vibration Motors While we aim to supply accurate product information, it is sourced by manufacturers, suppliers and marketplace sellers, and has not been provided by Overstock.