Tech Spec:
• RMS: 2W(THD=10%) 
• Frequency response: 120Hz-20KHz
• Driver unit: 40mm 4Ω
• Signal to noise ratio: >80db
• Mini SD card decoding format: MP3/WMA
• Battery: BL-5C 3.7V 1000mA
• Power: USB                                                                        
•Color:red, blue, green, silver, purple
• Dimension: W165 x H65 x D28 (mm)
Features:
• Mini SD card decoding slot
• Work with your MP3/4, PC, CD player,mobile through universal 3.5mm jack
• Earphone/headphone output
• Built-in FM                                                                                      
• Have 25x13mm LCD with the function LRC,alarm clock,calendar