Bluetooth Headset,THZY Sport Bluetooth Wireless Stereo Headphone Headset Earphone w/Microphone for Apple iPhone 6/5s/5c/5, iPhone 4s/4, Samsung Galaxy S5/S4/S3, LG, PC Laptop, and Other Bluetooth Device (Black) 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 THZY 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