Immerse yourself in music while powering your gadgets with the Tronsmart Bang Outdoor Party Speaker. It features a built-in power bank to charge your devices in an emergency. All the while, this music gadget features LED lights that flash to the beat of your music for up to 8 hours nonstop. Or switch them off to keep the party going for up to 15 hours. Moreover, this Tronsmart speaker boasts TuneConn technology that allows you to connect 100+ speakers for an acoustic carnival. Meanwhile, SoundPulse technology delivers an impactful sound to uplift everyone’s spirits wherever you are. With an IPX6 water-resistance rating, you can this speaker by the pool, in light rain, or in the bathroom. Finally, NFC seamless connectivity provides quick access to your devices with minimal delays to get the party started sooner.