Designed for mobility, the Boom Beats has a rechargeable battery that gives up to 10 hours of autonomous play. Linked to your smartphone or any audio source through Bluetooth 4.2 or a 3.5mm line-in, the Boom Beats will provide 2.1 stereo sound, up to 120 watts of power. With less than 2 kilograms of weight, this baby beast will play your music with exceptional audio clarity and deep bass thanks to the integrated subwoofer, wherever you decide to carry it. Bluetooth 4.2 Wireless Range - 10 Metres Line-in 3.5 mm DC Power Plug Micro USB for Firmware Upgrade Built-in Rechargeable Lithium Ion Battery 10 Hours of Playback 100 / 240 V AC Input, 50/60Hz 15 V DC Output @ 3000mA 2.1 Stereo 120W Amplifier Supports Wireless Stereo When Using Two Speakers (True Wireless)