GooDee B1BT 360 Degree Omni-directional HiFi Portable Bluetooth Vibration Resonance Household Mini Wireless Bluetooth Speaker, Works for iphone, android phone, ipad, tablet, ipod, laptop(Pink) ADIN B1BT come with a built-in Lithium Ion battery with play time of about 2-3 hours, and a cable with USB connectors and mini-stereo jack for charging and connection to your audio source. Charging is done through any USB's 5V power. Audio can be played back through bluetooth or mini-stereo audio jack which makes connection to your iphone, android phone, ipad, tablet, ipod, laptop, etc. really easy. 10W of Power for a powerful resonance and sound! Aluminum Alloy construction for the best sound quality! Built-in Battery for 2-3 hours of cordless playback. Bluetooth for wireless connection, 3.5mm Audio Jack for wired connection Placing the speaker on solid surface such as concrete, bricks, granite etc will lead to a lower sound output as sound cannot resonate through those materials. Place the speaker on something with a hollow chamber such as a guitar, a table with drawers, even a cardboard box will greatly amplify the sound. This Bluetooth vibration speaker creates 360 degree omni-directional HiFi sound through different surfaces. It not only sounds great, but it's also a lot of FUN!!! You get to be creative and try it on different surfaces and hear high quality sound being played back! Mini small size and portable, Durable Aluminium Alloy raw material. Applications for home music,stage,or outdoor entertainment