iXchange 4.1 Retractable Bluetooth Headset, Clip On Hands Free Bluetooth Headphone with CVC 6.0 Noise Cancellation Bluetooth Earbuds for Driving & Running & Working - Silver RETRACTABLE BLUETOOTH EARBUD-- Bluetooth Headphone with retractable earbud, simply pull out and insert the earbud into your ear when answering a call, preventing ear fatigue and the awkward ear attachment that accompanies most Bluetooth headset TOUGH RETRACTABLE WIRE--Bluetooth Headset with tough retractable wire which can bear 11 lbs weight guarantee at least 5,000 times retraction INCOMING CALL ALERT & OUT OF RANGE ALERT-- iXchange Beeper has a built in Buzzer, the Bluetooth headset will have "Beep" sound when you have an coming call, to prevent you from missing any important call. Bluetooth headset also has an out of range alert, reminds you that your mobile phone is staying far away from you EXCELLENT MUSIC SOUND-- Bluetooth Earbud has professional CVC6.0 noise reduction function help you to enjoy excellent music sound MULTIPOINT FUNCTION--Bluetooth Headset can work with two mobile phones at the same time and compatible with all Bluetooth enabled devices