Features:
   Bluetooth Function
   USB/TF Card Slot， Support MP3 Format
   Built-In FM Radio
   Compatible with Laptop/MP3/MP4 Player and External
   Single Speakers
   Built-In Microphone
   Hands-Free Call Feature

Specifications:
   Channels: 2 (2.0)
   Output Power: 3W*1
   Driver: 1.5*2
   Frequency Response: 150Hz-12KHz
   Resistance: >600
   S/N: >65dB
   Distortion: <1.0%
   Frequency response: 100HZ-20KHZ
   Bluetooth Version: V2.1 +EDR
   Available range: 10 meters
   Material: ABS plastic

Package Content:    

   1*Mini USB cable
   1*Speaker