| Quantity | 5pcs |
| Motor diameter | 10 MM |
| Electrical thickness | 2.7 MM (not including sponge) |
| Line length | about 11 MM |
| Voltage | 1.5 V |
| Current | 0.05 A |
| Voltage | 3 V |
| Current | 0.1 A |
| Service life | 10000 hours |
Features:
Micro， compact and lightweight.
Exquisite manufacture.
