Bluetooth speaker, the design of the mobile phone holder, and the power bank function make it more convenient for you to use. Free your hands and let you enjoy video and face time without any worries. 52mm large-size full-frequency dynamic unit, bringing 360-degree omnidirectional low-frequency balanced sound field Bluetooth 5.1 technology, lower power consumption, faster transmission, stable and continuous connection Large-capacity lithium battery, long-lasting battery life, no need to worry about mobile phone power issues The angle can be adjusted freely, and the height can be adjusted freely Triangular load-bearing golden ratio, strong load-bearing Strong support, prevents falling, and the angle can be adjusted freely Non-slip silicone pad at the bottom, stable and not easy to dump International universal USB interface, easy to charge Specifications: Bluetooth version: 5.1 Transmission distance: 10m Battery capacity: 3000mAh Playing time: 8-10 hours Signal-to-noise ratio: 85dB Frequency response: 20Hz-20KHz Working voltage: 5V Speaker: Built-in a 4Ω 5W full-range internal magnetic speaker + diaphragm + independent box Weight: 325 grams Size: 152x86x56mm