Poweradd Portable IPX7 Waterproof Bluetooth Speaker-Impressive Loud Volume, Crisp, Energetic Sound Impressive Loud Volume, Crisp, Energetic Sound With built-in 2 X 13W stereo drivers and 2 X 5W passive subwoofers, you can enjoy crisp, energetic sound with impressive loud volume. Up to 24(Max) hours playtime provide by the built-in high-capacity rechargeable lithium-ion battery, you can keep your music playing all day long. You can even charge your tablet/phone with the charging port. Note: Playtime will vary due to different sound volumes and audio content. Indoor/Outdoor Bluetooth Speaker Poweradd MusicFly features IPX7 waterproof rating and highly durable rubust ABS material, which enables the speaker to work greatly outdoors as it's remarkably resistant to dust, dirt, water splashes, sand, shock, or drop. The speaker can play dynamic stereo sound with loud volume on the beach, in the desert, by the pool and so on. Perfectly designed for outdoor/indoor use:beach,seaside,camping, car driving, fishing, swimming pool,shower,back yard, home, ect. Bluetooth 4.2 Technology Quick and easy to pair to your iPads, iPhones, Sumsung, HTC,LG,ect. Enjoy wireless operation within 33 feet(without obstacle). Also, It comes with a 3.5mm audio cable, you can connect the MusicFly to all 3.5 mm enabled device,like laptop, computers. Overwhelming Sound Effects This Bluetooth speaker offers you wonderful audio effects with quality surround sound. You can enjoy your favorite music for clean, crisp high note, crystal clear mid-range and rich deep bass. User-friendly Design MusicFly has unique white backlight to let you recognize the buttons more easily. You can control the volume and music tracks effortlessly, even in dark environment, like a camping night. The buttons are designed to be big enough for comfortable pressing. Note: Immerse the speaker in water over 30 minutes will damage the bluetooth speaker.