SPP-C Bluetooth Serial Adapter Module Replace for HC-05/HC-06 Slave

Product features Operating Frequency Band: 2.4 - 2.48GHz Bluetooth Specification : V2.1+EDR Output Power Class: Class 2 Operating Voltage: 3.3V Dimensions: 27mm (L) x 13mm (W) x 2mm (H) Features: 1. Car Power Indicator, alarm when it is lower 30% 2. Real Simulation Code Wheel Encoder Display Speed Absolute Value 3. Graphical Display Balance Inclination Angle 4. Dual-speed Governor Function 5. Remote Control Function 6. Serial Debug Mode, can talk to the car 7. Real-time Display communication content 8. Can improved to Professional Axis PC 9. Can be used to Tune Online for PID parameter