Features: [Wireless Connection] Adopts advanced Bluetooth technology, you can easily connect with almost all BT-enabled devices, effective distance of 10 meters. [HD Acoustic Sound] Compliant with the standard high data transfer rate and anti-jamming capability. 10W loudspeaker provides high definition sound for you. [Multiple Functions] It can also be used as a FM radio and super decoding intelligence makes it supports TF card, U-disk and AUX IN music play. [Speaker w/ Mic and Hands-free Calls] You can conveniently answer a call by this Bluetooth speaker when at home or office, anywhere and anytime when it is connected to your smartphones. [Long Music Time] Built-in rechargeable 1500mAh Li-battery offers up to 6 hours of music playing time( Max.volume), 3 hours of charging time. Note: It supports TF card and U Disk reading up to 32GB.