The Lenovo K3 Mini Wireless Speaker comes with upgraded BT 5.0 chip, low latency, stable and fast transmission, wide compatibility. It also equipped with metal composite diaphragm, omnidirectional sound technology ensures the balanced diffusion of sound, bright treble, full midrange and powerful bass, HiFi sound quality. The Lenovo K3 comes with a lanyard, easy to carry and use whenever you want. It has built-in microphone, intelligent noise reduction, clear and bright sound without delay and it also has silicone buttons, comfortable feel, sensitive response, easy to operate. The Lenovo K3 Mini Wireless Speaker has no warranty.