Specifications : - Bluetooth Version : V2.1 + Edr Class 2O Support : HSP 1.1,1.5, A2DP1.2, & AVRCP 1.0 Profiles - Effective Distance : 10 M - Ouput Power : 2Wx2 ( RMS ) THD = 10 % - Frequency Range : 150 Hz- 20 Khz - Signal To Noise Ratio >/ 65 db - Fm Radio Frequency : 87.0 Mhz-108.0 Mhz - Automatic Station search And can Store 35 Sets - Support Microsd , Flashdisk up To 16 Gb - High Sensitivity Microphne ( MIC ) - Mode , Play / Pause , Volume Up/Down - Baterry Capacity : Lithium - Ion Battery 3.7V 800m - Support Laptop or Dekstop ComputerDR DRE