ZealSound Magic Cube Portable Wireless Bluetooth 4.0 Speaker with Built-in Microphone, for Iphone, Ipad, Nexus, Samsung and More, Black High-fidelity sound quality: Enjoy amazing sound and powerful bass through a 3W driver and passive radiators Hands-free calling: Only one touch and answer a call with built-in microphone Compact and portable: with only 5.8 oz, you can listen to your favorite tunes anywhere you go 3.5mm audio port for non-Bluetooth devices Bluetooth 4.0 CSR chipset: Connect quickly and stably with your Bluetooth-enabled devices, such as mobile phones, laptops, desktops, etc.