EBS 307 is made from durable plastic material, this speaker boasts an IPX4 waterproof rating, making it perfect for any outdoor activity. Equipped with a built-in 4000mAh battery, the speaker offers up to 20 hours of continuous playback, allowing you to enjoy your favorite music without worrying about running out of power. With a power output of 10Wx2, this stereo speaker features double diaphragms that enhance the bass effect, providing you with an immersive sound experience. It also supports Memory card reading to play music, and a built-in MIC, so you can answer calls without having to disconnect your device. It supports TWS, enabling you to connect two speakers wirelessly for an even more powerful sound experience. With a connection distance of up to 20 meters barrier-free, this speaker is perfect for outdoor events, parties, or just relaxing in your backyard. Its rugged design and waterproof construction make it durable and perfect for any weather condition.