Can this Music Boxing Machine be used by both adults and kids? Of course! This Music Boxing Machine is designed to be user-friendly for people of all ages. Whether you're a parent looking to stay active with your kids or just someone looking to release stress, this machine is a great option for everyone. Is the Bluetooth connection stable for playing music while using the music boxing machine? Yes, the Bluetooth connection is very stable when playing music boxing machine while using the boxing machine. I have never experienced any interruptions in my music playback while working out. How sturdy is the wall mount boxing machine when in use? Does it shake or move around during workouts? The installation process was straightforward, and the adjustable height feature provides a secure and stable feel. I highly recommend this product to anyone seeking a reliable boxing experience at home. How long does the battery last on the Bluetooth Music Intelligent Counting feature of the music boxing machine? The battery life will definitely leave a deep impression on you. It can work continuously for 5 hours without interruption, allowing you to enjoy my favorite music while exercising~ Are there any specific safety precautions or guidelines to follow when using this boxing trainer? It is very safe to use as long as you follow the guidelines provided. Make sure to warm up properly before starting your workout to prevent any muscle strains.