SHARPER IMAGE SBT516GR Foldable Bluetooth Sport Earbuds for Running and Exercise with Built-In Mic, Green Bluetooth-Enabled: Pairs Effortlessly To Other Bluetooth Devices, Compatible With All Phones and Tablets Answer Calls Hands-Free Without Interruptions With In-Line Mic, Rechargeable Lithium-Ion Battery Via USB Cable Sweat-Resistant And Comfortable Fit, Ideal For Sport And Exercise Activities, Complete Freedom Of Movement High-Definition Sound Quality With Noise-Isolating Rubber Ear Tips, Wrap-Around Design Ensure Comfort And Stability Designed In The USA, Free Customer Support, Satisfaction Guaranteed or Full Refund