The Lenovo Thinkplus K3 Plus RGB Portable Bluetooth Speaker delivers immersive Hi-Fi sound with its metal composite diaphragm and 360� full-frequency sound field. Enjoy music all day with its strong battery life and seamless hands-free calling. With an elegant metal mesh design, it adds sophistication to any setting. Connect two speakers for stereo surround sound, and easily pair your devices via Bluetooth. It has a working Bluetooth range of 8-10 meters. The Lenovo Thinkplus K3 Plus speaker is water splash-resistant and offers 6-8 hours of continuous battery life. With a full-frequency speaker and 500mAh battery, it delivers powerful and reliable audio performance.