9-level adjustable speed and volume control - 9 speeds provide flexible training intensity. Press the Speed button to cycle through speeds, and long press to adjust the volume. This allows each user to tailor the session. Music connected training - Adds a music checkpoint function to improve hand-eye coordination. It can be connected to a mobile phone to play favourite music and enable an intelligent counting function, creating a dynamic and motivating workout environment. Drill-free wall mounting - Wall-mounted design with four stickers in two lengths and two sections to suit different walls. Height is adjustable, saving space and delivering a secure, no-drill installation that stays attached to the wall. Safe, durable construction with multiple impact points - Made from PVC with multi-layer padding. Features 6 flat striking points plus 2 upward-hooked surfaces left and right to increase the striking area, helping to reduce the risk of hand injury even on accidental hits. Use scenarios - Home workouts in small spaces: Quick setup, height adjustability, connect your phone to play music and track reps. - Personal training and coaching: Adjustable height and speed allow customized drills for different users or skill levels. - Group or family training: Durable, wall-mounted unit supports multiple users with safe striking surfaces and clear feedback from the counting function.