Carrdone&reg; Bluetooth 4.0 Wireless Stereo Sweatproof Jogger, Running, Sport Headphones Earbuds with AptX,Mic Hands-free Calling for iphone 6, 6 Plus, 5 5c 5s 4s ipad, LG G2, Samsung Galaxy S5 S4 S3 Note 3 and Other Android Cell Phones(Green) 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 Carrdone 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 Perfect protection system:protected you against sweat and moisture damage