Features: brand new and high quality. It is widely used in mobile phones, toys, for health products, handicrafts, electronic products, medical equipment, tablet computers, wearable devices and for smart watches, etc. where vibration feedback is required instead of physical buttons for reminders. Miniature vibration motor rated voltage: for DC 3V; rated speed: 12000 RPM. Self-adhesive vibrating micro-motors for cell phones, cell phones, and pagers. Vibration motor body size: 8 x 2.7mm/ 0.31" x 0.10". Specifications: Material: Metal + Wire Weight: 3g Size: As picture shows Package Includes: 1x Vibration Motor note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.