About this item Small in Size But Powerful Sound: With its palm size and minimalist design, this wireless speaker (wired Aux input option available) delivers a well-defined high & low frequency response for great audio clarity, rich in details, and smoothly well-balanced. Powerfully loud with a 40mm 3W tweeter to provide a clean & precise sound despite a small resonance cavity. The retro turn knob allows you to adjust the volume levels to match your preference. Latest Bluetooth Technology & Aux Input/TF Card Option: This cute vintage speaker has built-in wireless capabilities to stream from all Bluetooth-enabled devices, such as smartphones, laptops, tablets, etc. Advanced Bluetooth V4.2 technology provides a powerful and reliable 33ft transmission-distance connection without delays, dropouts, or interference, giving you freedom to stream music cordlessly. It also supports a 3.5mm Aux input option for desktop PCs or devices without Bluetooth function. Hands-Free Calls & Rechargeable Ba