Highlights Digital Amplifier Stereo Fm Radio Card Reader Digital Display Recorder Specifications Professional Loudspeaker with Dual Voice Coil Driver -Dual voice coil driver design, with the loud and clear sound, is suitable for teaching, tour guides and outdoor speech etc. Exquisite LED Display -Displays the current play mode and status. Support Wireless Headset USB Disk & TF Card Music Playing -Support the entire MP3/WMA coding rate. FM Radio -Built-in FM radio module, auto search and save radio channels. Record Function -Built-in record module to achieve high quality recorded audio. Alarm Clock and Timer Shutdown -Time displaying and alarm setting, USB or TF card music can be set as alarm ring. AUX in -Work as the external speaker by connecting computers, mobile phones, PSP/MP3/MP4 etc. Card Reader -Capable of reading SD Card. Two Volume Knob -The volume of the microphone and music can be adjusted independently without interference. Removable Li-ion Battery Product warranty: 1 Year Warranty Weight (kg): 0.4 Package size:9 x 9.4 x 4.2 Package Items User manual Voice amplifier Lapel mic