K15 Bluetooth Speaker Bluetooth  Compact and lightweight design - Up to 10 hours of music playback - High fidelity sound - Integrated microphone (hands-free function) -  water and dust resistance Stop wasting your time fighting with wires and feeling limited by relying on plugs. Go wireless and enjoy your music outdoors with the new Portable Speaker. Its beautifully designed and lightweight, with Bluetooth 5.0 connectivity, waterproof  rating and a great price. So take it with you to the end