JMD174; Bluetooth Speaker - Mini rechargable portable wireless bluetooth speaker The speaker has an 800-1000 hour standby time, and can be recharged using the mini-USB cable provided in the box. JMD has made the speaker multifunctional - with FM Radio capability, a TF Card reader and handsfree with a built-in mic. The speaker has a huge bass and loud sound output for its size. The range of the speaker is 10M and is perfect for commute as it is compact. 10 hours of music and talk time can be fulfilled by this mini boom box. JMD is proud to offer a 1-year warranty on this product. More details on this are shown in the product description.