GOgroove AudioACTIVE Wireless Hands-Free Bluetooth Sports Stereo Earbud Headset For Motorola / Samsung / LG / iPhone / HTC and More A2DP Enabled Smartphones Durable ergonomic sports design lets you enjoy your music while being active Built-in rechargeable battery for up to 7 hours of wireless music on one charge, charges via AC adapter or USB cable(included) Ambient noise isolation for clear, uninterrupted audio- works with Pandora and other music sites Has built in hands-free calling and microphone - equipped with Bluetooth V2.1 Includes 3 sizes of comfortable silicon ear gels and charging cable- quality Guranteed 3 year Warranty**