Plastic Speaker With Extra Bass is waterproof to suit your active, outdoorsy lifestyle. Echo and noise cancelling features for calls. Features & details Speaker With Extra Bass is waterproof to suit your active, outdoorsy lifestyle. Echo and noise cancelling features for calls CONNECTIVITY – if your device has Bluetooth technology then it can be connected easily and efficiently to our portable Bluetooth speaker.Treat a friend or family member to a cheap cost speaker solution that is compatible with Bluetooth devices such as smart phones and tablets.