Free Shipping On All Orders Over $30. Use coupon code freeship. Compatible with cellular phone, MP3 player, PC and other bluetooth devices. Fully compliant with bluetooth version 1.1 (or higher) devices. Stereo bluetooth headset allows you to listen to your music wirelessly in stereo. Call, forward and reverse buttons on left speaker. Volume(+/-) controls on right speaker. Supports Advanced Audio Distribution profile (A2DP) profiles. Built-in rechargeable Lithium polymer battery. Talk time