Bluetooth Headset, Levin 3 in 1 Function Sports On-ear stereo Earphones(Bluetooth, FM Radio, TF Card Playing) Compatible with Iphone, Ipad, Samsung, Blackberry and Other Smartphone THREE IN ONE FEATURES: This headphone including the function of Bluetooth, FM radio and TF card playing. You can choose your favorite music via Bluetooth connected, search FM radio or download in the TF card. AMP UP YOUR WORKOUT: The wireless Bluetooth headphones keep you stay away the tangle while you are running or exercise. And the on-ear slim headset is light weight(1.34 ounces), the control buttons on outside cover are easy to manage your smart phone and music player. COMFORT YOUR EAR: Different with the general sports in-ear earphone, it is on-ear design with comfortable sponge cover. It will buffer the music or calls voice volume, lose yourself in your workout with serious sound and powerful bass. FLEXIBLE DESIGN: This Bluetooth earphone adopted durable flexible materials, it will be recover when take down. Good to keep the original cool shape and to carry without any hassle. HIGH QUALITY GUARANTEE: 10 meter(about 33ft) working distance. Durable Polymer Li-ion battery provide 6 hours talking time or 5 hours music playtime with 3 hours full charged, long standby time up to 175 hours. Allow you to enjoy the stereo music during you are exercising.