Mpow Bluetooth 4.0 Stereo Foldable Headphones Headset with AAC AptX - Supports Wireless Music Streaming and Hands-Free calling for iPhone iPhone 6 / 6 Plus 5S 5C 5 4S, Galaxy S5 S4 Note 3 2 and other Cellphones Bluetooth 4.0 with aptX codec for high-fidelity stereo music and clear speech, You can begin enjoying CD quality stereo sound instantly.