Enjoy your music anytime and anyplace with the Portable Mini LED Bluetooth Speaker. Featuring 360-degree surround sound, this small but powerful little speaker provides resonant full-range HD music quality, long-lasting playback time, and cool LED lighting. The Mini LED speaker even includes convenient Bluetooth hands-free calling and Micro SD Card compatibility. Perfect for backyard get-togethers, hiking, camping, fishing...wherever you want your tunes. Makes a great gift! PRODUCT FEATURES * Built-in Rechargeable Li Battery * Up To 6 hours of playtime * 3W/5V Input for quick charging * 3.5mm AUX Port * Micro SD Card/TF Card * USB port * Built-in Microphone * Bluetooth audio input and hands-free calling * Power supply: DC 5V, lithium battery (300mah) * Effective power: 3W * Frequency: 90Hz-20KHz * Audio Interface: 3.5MM * Transmission range: Up to 10 meters