Portable & Rechargeable Speaker

Product Features

• Portable shoulder USB/TF card speaker
• Play MP3 format music from TF card, u disk. connect 3.5mm stereo audio cable to speaker socket "LINE IN", can enjoy the music from mobile phone, MP3, MP4, PC, IPOD and other audio devices
• With Bluetooth, FM radio, karaoke function
• High pitched voice
• Built-in battery: 2500mAh
• Input voltage: 3.7V
• Frequency response: 100Hz-20KHz
• Speaker: 4",4+2" tweeter
• Distortion:? 1%
• S/N ratio: ? 85db
• 1 wired microphone