Plug and Play! Ultra portable and light weight design at just 3 ounces. The speaker is ultra small & portable and yet able to exert high quality sound. Color available in Black Engineered for exceptional clarity of sound. Built-in amplifier for a surprisingly Loud Volume – 3 Watt Output. Audio with High Fidelity High-capacity Rechargeable Built-in Lithium battery for up to 10 hours continuous playback time (medium volume, random music) Compatible with all audio players with a 3.5mm audio socket/stereo headset jack, including Apple iPod Touch, iPhone, iPad, MP3/4 Players, Laptops, MacBook, Samsung and PC Computer. The portable mini speaker charges using our included standard USB cable, which connects to a PC, laptop, usb power adapter or standard USB port. 3 Year Manufacturer Warranty Included with the AYL Speaker! Please contact us via email if you have any questions.