The second option is equipped with more powerful speakers and can provide better and louder sound, especially in large rooms or at outdoor events. Both models have a variety of features such as lighting, Bluetooth connectivity, and a USB port for charging devices and playing music. Your choice should depend on what your budget is and what volume and portability requirements you have. If you're looking for a more powerful system with high-quality sound for large events, the JBL PartyBox 710 may be your preferred option. Read the comparative analysis here http://reviews-technology.com/jbl-partybox-310-vs-710/