Portable amplified mini speaker system that can connect to audio sources such as smartphones, tablets, MP3 players, PCs and laptops. It can be connected wirelessly or through its integrated 3.5 mm stereo jack. Its built-in Bluetooth module is compatible with any device that offers a standard Bluetooth audio connection. Due to its compact size and light weight, the speaker system is very easy and convenient to carry. It is equipped with 38 mm full-range speaker and integrated Class-D amplifier, providing a total output power of 3.8 W. It also features a 3.7 V Li-Ion battery (500 mAh), micro-USB connector for charging and an on/off button with LED indicator (also shows charging status). Frequency response: 80 Hz - 20 kHz. Dimensions: 80 x 50 mm. Weight: 90 g. Black colour.