Universal 4.1 Bluetooth Wireless Stereo Headphones with Microphone Top Quality Universal 4.1 Bluetooth Wireless Stereo Headphones with Microphone for iPhone 6S, iPhone 6S Plus, iPhone 6, iPhone 6 Plus, iPhone 5, iPhone 5C, iPhone 5S, iPhone 4S, iPad, iPod, LG G2, Samsung Galaxy S6, S6 Edge, S5, S4, S3, Note 5 and more COMPATIBILITY: (iOS 9 and above & android devices) iPhone 6S, iPhone 6S Plus, iPhone 6, iPhone 6 Plus, iPhone 5, iPhone 5C, iPhone 5S, iPhone 4S, iPad, iPod, LG G2, Samsung Galaxy S6, S6 Edge, S5, S4, S3, Note 5 and more PERFORMANCE - The audio quality is high-fidelity for critical music listeners. It also resonates stereo music with clear speech and hi-definition surround sound audio for an enjoyable experience anytime, anywhere. It has a CVC noise cancellation technology that reduces outside noises for a clear and crisp microphone ability. BLUETOOTH - Equipped with 4.1 bluetooth range. This wireless headphones can be used easily with any smartphone and other devices that also comes with bluetooth. The headset itself is rechargeable too and has a battery that can last 5 hours of continuous music and the standby time is up to 250 hours. OTHER SPEC - There are 3 buttons. The + sign is for the volume up. The - sign is for the volume down. And, the middle button is to answer or ignore an incoming call.