Accelerator Throttle Unit for Xiaomi 4 Pro (1st Gen) – Blue Description: Replacement throttle for Xiaomi 4 Pro electric scooters (1st Gen). Features a comfortable thumb controller for smooth speed control and a built-in electronic brake button for safe stopping. Quick and easy to install with no special tools required. Durable design for long-term use. May help fix Error 14 related to the accelerator sensor. Features: Easy installation Ergonomic thumb throttle Built-in electronic brake button Smooth acceleration and braking Compatible with Xiaomi 4 Pro (1st Gen) Includes: 1x Throttle Unit (Blue)