Palm-Size. 15W Powerful Sound with BassUp 2.0: This ultra-compact portable speaker packs 15W powerful output and 92 dB peak loudness. BassUp2.0 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-slotstrap transforms between clip mode (attach to backpack/bike) and strap mode (for holdirng). Made of soft. tear-resistant silicone. it attaches securely and is a versatile option for ary 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 Power Bank: 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.