Dreamall 2014 Newest New Waterproof Wireless Bluetooth Shower Speaker Handsfree Speakerphone Compatible with All Bluetooth Devices Iphone 5s and All Android Devices (Green) Bluetooth wireless transmission; Unique waterproof design; Built-in microphone , so you can enjoy hands-free calling; Using high -quality audio decoder chip , allowing you to experience the perfect sound; Answer calls and hold conversations through the Bluetooth microphone.