The main highlight of the product: the previous product upgrade avoids a cumbersome reset function and prevents the triggering of interference (filter media collisions, siren, thunder and other external sound interference). 1. Function: electric shock + ultrasonic + acoustic warning + sensitivity adjustment + charging 2. All product functions are digital indicators 3. The product has 6 colors to choose from, local gold/noble silver/touch black/shiny black/sapphire blue/orange (colors can be customized) 4. The product uses USB charging and a built-in microphone trigger 5. Electric impact, 8-speed (0~7) vibration adjustment to turn off this function, 7-speed (1-7) sensitivity suitable for humanized customers. 7. The battery level is displayed in 7 digital levels. 8. The product can be repeated repeatedly 9. The product uses a large lithium battery, which can reach a standby time of 60 days < p> 10. The diameter of the dog belt can reach 35cm, and the small one can reach 6cm, suitable
