Rated IPX6 water resistance Level: Large area of Sealed TPU Silicone Cover Design ensures great Splashproof Shockproof and Dustproof function so it can be used outdoor and shower.Besides with the portable design and 10.7 ounces weight you can take the speaker with you wherever you go</br>Two total 8W drivers: this speaker with two total 8W drivers provides an excellent stereo and distortion-free sound. A built-in massive passive radiator could provide strong bass without distortion even at highest volume</br>Bluetooth 4.0 Technology:Connect your device very fast and the connection quicker and more stable consume less energy and deliver crystal clear sound.</br>Built-in rechargeable 2000 Ah battery: supports up to 8 hours playing time with a single charge. Recharge only needs 3 hours. Don't worry when the battery is low or your device don't have Bluetooth function you can play audio from other devices by a 3.5mm audio cable or just play a Micro SD card</br>Hands-free calls: built-in microphone for hands-free phone calls from smartphones and iPhones and the speaker supports a bidirectional conversation</br></br>Product Description</br></br><b>Bluetooth 4.0 technology</b><br>It's easier to connect your Bluetooth-enabled devices to the speaker by Bluetooth 4.0 technology. The connection is more stable and it could work up to 30 feet<br><br><b>Sound with high quality</b><br>MARSEE Speaker Bluetooth provides an excellent stereo?? clear and crystal sound. The distortion-free effect is outstanding