Compact and portable wireless speaker that can be connected to any smart phone or any Bluetooth enabled device via the Bluetooth Technology V4.1 and delivers deep and powerful, but balanced sound thanks to the Jabees digital signal processing technology and a 40mm/3W driver. It also supports connectivity via 3.5mm audio input for non-Bluetooth enabled devices (cable is included). With unique rugged sleek shape and fully certified IPX4 waterproof feature that secures it against splashes, sweat and dust, it can be taken anywhere. The speaker has very easy operation as it is built for users of ages 6 and up: simply slide the on/off switch to the "on" position to automatically connect to the last-connected device and start streaming the music. The line-out function allows for connecting multiple beatBOX MINI speakers via included 3.5mm to Micro USB aux cable for stereo sound. The built-in lithium polymer battery provides 4+ hours of playing time and 300 hours of standby time, and it is charged via USB cable (included). Other functions include multi-point connectivity for simultaneous connection of 2 devices and multi-language voice prompt (English, Spanish, French and Chinese). Frequency response: 100 Hz-16 kHz. Dimensions: 84 x 53 x 41 mm. Weight: ca. 165 g. Blue colour design.