Mini Collar clip-on Wireless Bluetooth BT Music Stereo Headset Headphone Earphone Earpiece Earbud compatible with Apple Iphone 5/5s/5c and Samsung Galaxy S2/S3/S4 for Sports,Runing, Cycling,Walking and Car Driving Crystal clear sound with surrounding stereo music effect, embedded with special noise cancelling, wind noise reduction microphone Unique design with collar clip, which relax and comfort you anytime when you are in sports, walking, cycling, running, exercising, GYM and driving Exceptionally light and mini design gives you an easy and ergonomic comfort wearing experiences Easy operation on pairing, music chooses, volume controlling and incoming call pick up Power saving design helps to realize as long as 180 hours standby time