Splash Proof Bluetooth speaker with built in MIC

Bluetooth speaker that is 3.0+EDR (2.4G Hz Transmitting Frequency) Transfer distance ~10M(distance depends on Bluetooth device and environment) Power:DC 5V-100-120mA Output:3W, 3.7v 400mAh lithium battery 4 hour charging time, 2 hour operating time IPx4 grade waterproof Compatible with all devices which have Bluetooth Function such as cellphones & tablets Buttons #1 ON/OFF #2 PLAY/ PAUSE #3 PREVIOUS SONG #4 NEXT SONG/VOLUME #5 PICK UP/END BUILT IN MIC for hands free communication