**********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 SPORT II Bluetooth speakers, connect them together to create left and right channels to enjoy 40 Watts surround sound.
( Note: The upgraded V 5.0 Blue bluetooth speaker cannot be paired with the old V 4.0 Orange/Green
Bluetooth speakers)*****WATERPROOF IPX7: 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 u