Shape4Body Smart Bluetooth Headset V4.1 Compatible with All Bluetooth Enabled Devices Wireless Earbuds with TRUE-SOUND TECHNOLOGY delivers superior sound with Deep bass for an enhanced listening experience while reducing outside noise. Earbuds are made to fit comfortably in your ears, wear it for hours with no irritation. INNOVATIVE BLUETOOTH v4.1 Technology that is Compatible with all of today's popular bluetooth enabled devices to include Iphones Ipod Ipads Samsung Galaxy HTC and more. A WINNING IN-EAR LIGHTWEIGHT Sport/fully exercise proof headphones that is sweatproof, built with Premium material for durability, compact and lightweight, little to no interference with earrings, glasses, hats, or hairstyles. WORKOUT EARBUDS fashioned for Sports/exercise to include running, cycling, weightlifting and more. Hand-free calling while driving feature allow user to focus on the road safely. EASY NAVIGATION CONTROL to includes next/previous track +/- Volume designed to allow user to control listening enjoying straight from the bluetooth headphone. Support four languages: English, Spanish, Chinese, French.