. This bluetooth splash proof speaker is the perfect way to introduce live music to your shower making singing in the shower easier and more enjoyable than ever. Designed to be used with a Bluetooth player such as your smartphone laptop or tablet this fantastic accessory also comes with a built in microphone so you never have to miss a call. Bluetooth Speaker Features . 10 metres transmitting frequencyStream music from any bluetooth deviceCrystal clear powerful soundBuilt-in microphone for answering phone callsOperating Time Approx 6 hours . Bluetooth Speaker Specifications . Bluetooth support 3.0+EDR range3.7V 400mAh Lithium2.4G Hz Power supply DC5V/100-120mA BatteryCharging Time Approx 3 hours. .