Main material: ABS Gross weight: 1510g Size:38*38*6.5cm(14.96*14.96*2.56in) DC round interface, USB cable charging 9 levels of speed adjustment and 3 levels of volume adjustment. Description: Release the pressure.Home boxing, the passion of the punch let off steam and work up a sweat It's small and doesn't take up space. The boxing wall target is firm and durable Smart Bluetooth phone connection. Retractable size mobile phone stand, suitable for all mobile phones on the market It's Important Not to Hurt Your Hands. Carefully optimized polyurethane thickness and hardness hit in winter is not concave Light up and hit quickly. Exercise hand-eye coordination. The light moves randomly from the center to the area with 6 circular sensors. When the light enters the ciecular area,hit tquickly. Features: 1.Adjustable Speed: Enjoy the freedom to adjust punching speed and set reaction light speed with this music boxing training machine. The large-sized punching module can withstand powerful impacts for an intense training session. 2.Smart Bluetooth-Compatible Connectivity: Connect your smartphone via Bluetooth-Compatible effortlessly for quick pairing