15 Training Modes & Adjustable Volume Featuring 15 training modes and 15 speeds to suit all skill levels, helping improve reaction, coordination, and endurance.The adjustable volume lets you customize sound: turn it up to boost energy during workouts or lower it to avoid disturbing others at home. LED Display & Bluetooth Music Connect your device via Bluetooth and play your favorite songs while training. The built-in LED screen shows punch count and workout progress in real-time. Smart tracking keeps you motivated and helps monitor your improvement. Durable & Shock-Absorbing Build Made of high-elasticity impact foam, it absorbs shock to protect your hands and wrists. The smooth, easy-to-clean surface is built to last through intense daily use.