compatible with all cell phone and all bluetooth devices

• Bluetooth 4.0 with aptX codec, earbuds seal with unique Cavity Structure Design, 20% effective area increased in vibrating diaphragm,all of these helping you enjoy a pleasant music journey .
• Signal Enhance Technology: Using it on your body without traditional limitations. Even put them in bag at the gym and workout at a good distance without signal droppage.
• Comfortable and stable design for all levels of exercise make easy accessible on-ear controls when you keep moving and eliminates troublesome wires tangling while you control your music or calls
• Compatible with most Bluetooth-enabled cell phones; reduces noise, wind and echo

Bluetooth 4.0 with aptX codec, earbuds seal with unique Cavity Structure Design, 20% effective area increased in vibrating diaphragm,all of these helping you enjoy a pleasant music journey .linda hard