20W POWERFUL SOUND, STEREO PAIRING FUNCTION: Advanced digital sound, noise/wind reduction technology, and unique loudspeaker cavity structure to deliver premium acoustic sound, crystal clear balanced bass, if you have two AOMAIS SPORT II Bluetooth speakers, connect them together to create left and right channels to enjoy 40 Watts surround sound. ( Note: The upgraded V5.0 Black bluetooth speaker cannot be paired with the old V4.0 Orange/Green Bluetooth speakers)

WATERPROOF IPX7: AOMAIS Sport II has designed and provided fully waterproof of highest incursion protection degree of IPX7 (Immersion up to 1 m for 30 minutes underwater), some suppliers may offer an IPX5 rating only at splash proof or light rain, not fully waterproof. To be dust proof, mud proof, shockproof, rainproof, snowproof, great for pool, shower, beach.

RECHARGABLE BATTERY, HANDS FREE FUNCTION: built-in high-performance li-ion battery up to 15 hours playtime at 50% volume , But Actual battery life will vary with use, settings and environmental conditions. And built-in microphone, Take AOMAIS Sport II with you , enjoy hands-free calling.

BLUETOOTH SPEAKER 5.0, MORE STABLE CONNECTION : Advanced Bluetooth 5.0 technology features faster & more stable signal transmission, clearer sound quality and lower power consumption. The 5.0 speakers works excellently with cell phones, amazon new echo dot,Tablets, Laptops, PCs, mp3 player, and 3.5mm audio mini jack allows wired connectivity.

WHAT YOU GET: AOMAIS SPORT II Bluetooth speaker, Micro USB charging cable , Aux in cable, quick start guide, feedback card. Our worry-free 12-month warranty and 100% satisfaction customer service.