This custom made water resistant armband for Sony Xperia M4 Aqua 8GB 16GB 4G LTE Android Smartphone is designed specifically for your device. Silk printing for full use of the volume controls and power button through the case. Full touch screen functionality even when cased. Made from water resistant neoprene material. Perfect for use in the gym, jogging, cycling, beach, etc. Fully adjustable. Please note that headphones are not included with this case.