Experience the freedom of wireless Bluetooth streaming, connecting effortlessly with up to 2 smartphones or tablets. Dive into powerful sound as you and your friends take turns enjoying the music. Enjoy extended entertainment with up to 20 hours of playtime, thanks to the built-in rechargeable Li-ion 7500mAH battery. Plus, stay charged on the go the speaker doubles as a power bank, charging your devices via its USB port. Embrace adventure without hesitation; the Charge 4 is engineered with IPX7 waterproof technology. Whether youre at the beach or by the pool, this speaker is designed to withstand spills and can even be submerged in water, ensuring your music keeps playing no matter what. - This bundle includes (2) JBL Charge 4 waterproof wireless Bluetooth speakers. - Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns enjoying powerful sound. - Built-in rechargeable Li-ion 7800mAH battery supports up to 20 hours of playtime and charges your device via USB port. - Take Charge 4 to the beach or the pool without worrying about spills or even submersion in water.