For sensational sound on-the-go, the Denon Envaya Portable Bluetooth Speaker features the latest performance advances for listening to music, watching movies, video, TV, or gaming on Bluetooth mobile devices. The sleek, highly compact, simple to use portable speaker system boasts best-in-class performance features, including the latest Bluetooth aptX Low Latency CD quality wireless streaming technology, NFC 'pairing', and extraordinary sound reproduction capabilities, far beyond its compact size.The Italian inspired design sports a large aesthetically formed metallic speaker grill, detachable to allow personalization of the color scheme by swapping the four included interchangeable color grill fabrics. The Envaya's form factor is truly portable. A single-handed squeeze action releases an integral kick-stand with rubber footer, for stable positioning. After use just grab and squeeze the speaker to close, pickup and go. Operation is amazingly simple via the intuitive tactile buttons along the top of the speaker: power on/off, Aux and Bluetooth select, concave / convex volume + / -, and speaker mute, LED battery indicator and NFC tap sensor. An Aux input connects any non-Bluetooth audio device with an analogue audio output, and an USB port charges mobile devices. The battery provides 10 hours operation on a single charge. The included 100-240V power adapter includes selection of region plugs for use throughout the world. An optional carrying bag protects the Envaya and sto