Palm-Size, 15W Powerful Sound with BassUp 2.0: This ultra-compact portable speaker packs 15W powerful output and 92 dB peak loudness. BassUp 2.0 technology produces deep, punchy bass that defies its small size—no more sacrificing sound quality for portability. 24-Hour Battery with Battery Display: This portable speaker delivers 24 hours playtime on a single charge—perfect for outdoor activities from sunrise to sunset. Plus, the real-time power display shows the exact battery level so you never get caught off guard by low power. 2-in-1 Mount Strap for Versatile Outdoor Use: Dual-slot strap transforms between clip mode (attach to backpack/bike) and strap mode (for holding). Made of soft, tear-resistant silicone, it attaches securely and is a versatile option for any outdoor scenario. IP68 Waterproof + 1-Meter Drop Protection: As a rugged waterproof speaker, Boom Go 3i is certified IP68 for complete dust and waterproof protection. Plus, it's been tested to withstand drops of up to 1 meter (3.28 ft). Take this durable waterproof speaker anywhere worry-free! Music-Synced Light Show: 6 music-reactive modes that sync with your beats, 8 ambient lighting modes for mood setting, plus customizable color options—perfect for pool parties, camping nights, and backyard hangouts with your portable speaker. Emergency Charging: Doubles as a portable charger for outdoor adventures. It can charge an iPhone 17 from 0% to 40% in about 1 hour. Keep your music and phone alive in critical moments. IP67 Protection and Floats: Waterproof speaker designed to withstand harsh outdoor conditions and can even float. The Speaker can even be immersed in up to 3.3 ft deep for 30 minutes, making it ideal for a variety of activities. Whether you're enjoying a shower, camping in the wilderness, having a beach picnic, or sailing on a lake, this speaker ensures your favorite tunes are always with you. 20-Hour Playback: Enjoy up to 20 hours of non-stop music on a single charge with this portable Bluetooth