. Black Bluetooth Splashproof Speaker Summary This bluetooth splash proof speaker is the perfect way to introduce live music to your shower making singing in the shower easier & 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. Features. 10 metres transmitting frequency.. Stream music from any bluetooth device.. Crystal clear powerful sound.. Built-in microphone for answering phone calls. Specifications. Bluetooth support 3.0+EDR range.. 3.7V 400m Ah Lithium.. 2.4G Hz Power supply DC5V/100-120m A Battery.. Charging Time Approx 3 hours.. Operating Time Approx 6 hours... .