New 668 Bluetooth Portable Speaker

Product information:
Power type: lithium battery
Color: Black [with wired microphone], Red [with wired microphone]]
Frequency range: 100HZ-20KHZ
Rated Voltage: 3.7
Additional features: card insertion, voice prompt
Rated Power: 10
Appearance size: 23 * 15.6 * 9.5mm