1234K Coin Vibration Motor 1. Size parameters are for reference only 2. Motor related accessories such as lead wires, FPC, etc. can be customized to the customer's needs. Detailed parameters Model: 1234K Using range: 2.5-4.5 Workable Range: 3.7V Constant Rated Rotation Speed: 11000RPM Rated Current Consumption: 0.12A Starting Voltage: 2.2V Holding Current: 0.26V Noise: 50dB max One coil contact: 23Ω Two coil Series contact: 45Ω Two coil parallel contact: 12Ω