Durability done right – Defy the elements with a dustproof, weatherproof, shockproof, and IPX4 waterproof travel speaker. TREBLAB’s outdoor wireless speakers are crafted from ultra-durable ABS, Metal, and Thermoplastic rubber, and compatible with any Bluetooth device. Endless playback – Enjoy your favorite hits with the TREBLAB FX100 wireless Bluetooth speaker. Each portable speaker is built around a 7,200 mAh powerbank with a battery life indicator. Up to 35 hour of playback per charge. Outdoor ready – Discover the ends of the earth with outdoor Bluetooth speakers at your side. Take the FX100 Bluetooth speaker with microphone to the pool, beach, or on the golf cart. Multi-speaker connectivity – Create your own sound system with a TWS mode. Simply connect two FX100 portable Bluetooth speakers and party on! Ultra-portable – Go anywhere with a waterproof Bluetooth speaker designed with a compact body, carabiner, FM radio mode, and built-in phone charger with a 7200 mAh battery.