Souldio Bluetooth 4.0 Wireless Stereo Headphones with Hands-free Calling Mic  for iphone 6, 6 Plus, 5, 5c, 5s, 4s ipad, LG G2, Samsung Galaxy S5, S4, S3, Note 3 and Other Android Cell Phones Bluetooth 4.0 with AptX codec, ear buds seal with unique no matter high pitch, bass or treble, it can presented perfectly. Built-in HD microphone, makes you enjoy a clear and loud sound. 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 Professional CVC noise reduction: equip with dual mic and advance noise reduction technology to get high quality voice recording. This technology make sure your voice sound clearly in a noisy environment, and achieve real intelligent noise reduction. Simple-to-use: control all functions of your music (volume, sound, song selection) and calls from your phone via our simple-to-use user interface on the headphones themselves. Package included: Bluetooth Headphone*1, micro USB cable *1, earbuds *3(Small, Medium, Large), User Manual*1)