Product description Automatic Bark Stopper Dog Trainer Features: 1. Function: electric shock + vibration + sound + sensitivity adjustment 2. All product functions are digital display gears 3. Model: blue bone 4. The product uses a USB charging socket and the built-in microphone is triggered 5. Electric shock and vibration 8 gears (0~7) are adjusted to 0 to close this function, and the sensitivity is 7 gears (1~7), which is convenient for humanized customers. 7. Digital display with 7 battery power levels. 8. The product can be recharged repeatedly 9. The product uses a large capacity lithium battery, which can reach 58 days of long standby time 10. The maximum diameter of the dog belt is 18 cm and the minimum diameter is 3 cm. It is suitable for all dogs.