Mini Mushroom Wireless Bluetooth speaker

  Mini Mushroom Speaker  Wireless Bluetooth 4.1 Speaker MP3 Player with Mic Portable Stereo Blutooth For Mobile Phone   Product Features: 1. Built-in Bluetooth 4.1 + EDR wireless module.  2. Bluetooth audio sound, perfect sound quality and bass effect.  3. 10M transmission distance. Support phone, ipod and other devices with bluetooth function.  4. Bluetooth hands free function, answer call easily. Bluetooth music controlling function.  5. Built-in rechargeable Li-ion battery, lasts for up to about 7 hours per charge.   Technical parameters:  Rated impedance:4.0hm  Rated power:3W  Rated voltage: DC5V  Frequency response:3dB  RMS:1.2W  Frequency scope: 170-15KHz  Power supply: DC 5V Built-in Li-ion battery  Speake:2 inches.   Note: Colors may are a little different from the picture. It is normal due to the resolution difference of your computer