IP66 Bluetooth Portable Waterproof Wireless Outdoor Shower Speaker, Bluetooth CRS 4.0 Stereo with Built-in Mic, For iPhone iPad IOS and Android Audio Devices(Black) IP66 unique waterproof design protects the speaker from being damaged by splashed. The inner magnetic design generates the high quality sound. Slim and compact, easy to put into your pockect or bag. Built-in rechargeable battery up to 5 hours playtime and low charge time around 2hours. Aux Function: 3.5mm jack Aux allows it connect the non-bluetooth audio device such as a music player.