Featuresr in ear type with comfortable earplugr adopt america broadcom 40 chip can support two devices at the same timer talking time can up to 24 hoursr high performance wireless range can up to 10mr support multi point connection calls voice newspaper voice remindersr enjoy stereo music wirelessly from bluetooth a2dp devicesr micro usb connector charging via ac charger or computer usb portr suitable for all bluetooth enabled device for samsung motorola nokia htc sony mobile p