? 【360 ° Surround Sound】 - Zamkol Bluetooth Speaker provides high quality 360 ° sound for huge and amazing sound. The volume can be controlled with a simple rotating wheel, allowing you to enjoy beautiful sound anytime, anywhere, whether you use it at home or during outdoor activities. ? 【Advanced Bluetooth 5.0 Technology】 - Our outdoor Bluetooth speaker features advanced Bluetooth 5.0 technology for fast, powerful and stable connectivity. It is compatible with all Bluetooth devices, such as mobile phones, tablets, computers, etc. After restarting the speaker, it can automatically connect to the last used device. ? 【Exceptional 30 W Bass Performance】 - Wireless Bluetooth Speaker via Exclusive dual speaker enhances bass while enhancing the clarity of middle and treble notes. 30 watts of power delivers incredible volume through a dual-precision stereo driver, even at maximum volume without distortion.