Enjoy crisp,full-bodied sound with impressive volume,built-in 2 x 5W stereo drivers and the post horn membrane,experience 3D Stereo Sound with enhanced the bass and powerful volume,and the consequences is beyond your imagination.【IPX6 Waterproof Grade】This bluetooth speaker is designed with military-grade process,bluetooth speakers waterproof ,IPX6 waterproof and dustproof,shock resistant.【4.1 Version Bluetooth】Upgrade bluetooth tech offers an extended 33ft operating range,bluetooth speakers portable,built-in high-definition LMS algorithm noise-canceling microphone,portable speakers bluetooth,release the hands to enjoy the wild journey,endless convenience.【Breakthrough Performance】12-hour playtime with built-in 4500mA high-capacity lithium-ion battery keeps you take your music anywhere,wireless speakers bluetooth,playtime difference depends on the volume level and audio content.Supporting TF card keeps you put the musics in the speakers Box does show wear