Product DescriptionWaterproof/dustproof/crash-proofWhole waterproof design, adpat importtoshiba silicobe from Japan,super wear-resistant protection .The best choice for outdoorProduct Feature1.Waterproof whole sealing design for outdoor2.Play Music into water up to 3 hours(IPX7)3.Bluetooth Version 4.14.compact&Light weight design5.High quality slilicon Cover with soft feeling toch6.Hands freeProduct Specification/Models1.Bluetooth Version:V4.1+EDR2.Output Power:3W3.Music Time:Up to 3 hours4.Battery:300mAH5.Product size:42x42x42mm6.speaker weight:74gApplicationCE,ROHS,FCC,can be applied BQB