Universal Bluetooth Wireless Stereo Headset/Headphone/Earphone with Microphone(BLK) Top Quality Universal Bluetooth Wireless Stereo Headset/Headphone/Earphone 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 15 hours of continuous music or 15 days of standby time. OTHER SPEC - The neck strap is flexible and easily returns to its original shape too. There's also a single press button for play, pause and answering calls.