?Astonishing Sound?: High-sensitivity 30 W powerful drivers give us breathtaking stereo sound with deep bass, exceptional clarity, zero distortion. Perfect sound effect for music playing and hands-free calling.No matter how picky you are, you will love the stereo sound of this bluetooth speaker. ?Advanced Technology TWS?: Noise/wind reduction technology and unique loudspeaker cavity structure to deliver premium acoustic sound,crystal clear balanced bass.Thanks to TWS function,pair 2 speakers together for stereo or party mode playback, to enjoy 360?surround. Bluetooth 4.2 ensures instant pairing and maintains a strong connection up to 33 ft. ?24H Playtime & Hands-Free Calling?: 5000mAh rechargeable battery provides up to 24-H playtime (playtime varies according to volume level and audio content) . Quick charge gets back to full in about 4 hours, so no need to worry about your devices dying when enjoy music. Built in mic with integrated noise and echo cancellation technology for more crystal and clear calls,better suited as a loud speakerphone. ?Tough and Solid & IPX7 Waterproof?: Covered in high quality anti-fall waterproof durable silicone material and protection design,So that the audio is more durable than others. The top level waterproof IPX7 mean that be able to withstand full immersion in water . It is protected enough to go on, it's dustproof, snowproof, mudproof, waterproof or even being dropped. Confidently take AY Go for shower, boat, hiking, camping, risk, to the beach, pool, or just your backyard. ?Ultra-Portable & Guarantee?: To be convenient for your life,Specially equipped with a rope you can hang it anywhere. Compact size allows you to control one hand at will. Our worry-free 24-month warranty and friendly customer service,which make your purchase absolutely risk-free and you can enjoy testing out it's quality and durability!