This multi-function mini waterproof speaker with built-in microphone is really very useful in your daily life， which can work with any devices with the Bluetooth Function， such as Smartphone， Tablet PC， Laptop， PSP， DVD， TV， Computer.This unique portable speaker is really a great festival gift， such as Christmas Gifts， for yourself， families and friends， you will love it， Don't miss it， Buy it Now!Function 1: to be used as a speaker for your tablet pc or computer when you are playing games， watching films or listening to music; what's more， with its waterproof function(Do not drop the speaker into the water!)， you can enjoy hans-free music and phone calls in the shower room， no worry about bringing any damage to your phone.