Blue Melody USB Portable Wireless Bluetooth Stereo Speaker with Dual Speakers and Enanced Bass Resonator, Fm Radio, Built-in Mic, LED Display, Alarm Clock, 3.5 Mm Audio Jack, Black Bluetooth version: Broadcom 2.1+EDR Support: Bluetooth, TF card, USB, FM Radio, Line in, Alarm, Clock LCD display show Time, Alarm clock, Line in, FM radio, charging Status, Bluetooth status Hands-free calling function (with MIC) Working distance: 10M