Wireless Earbud Headphones, Te-Rich V4.1 In-ear Bluetooth Noise Cancelling Headphone Sport Headset Earphones with Microphone (Apt-X Stereo Sound, Secure Fit) for iPhone and Android Cellphones COMFORT AND STYLISH WEARING - Thanks to the flexible ear hooks, these sport headphones are comfortable to wear, perfectly fit and remain stable in your ears while you are doing a variaty of sports. Also, it is lightweight and perfectly matches with any of your favorite outfits. The sport headphones are the best companion while you are running, hiking, camping, dancing, jogging, driving, skating, fishing or any other indoor or outdoor activities AMAZING AUDIO PERFORMANCE - The in-ear headphones with mic and in-line volume control adopt CVC6.0 noise cancelling technology to reduce the background noise. Clear conversation on both ends of phone calls and undisturbed music world are guaranteed. Bluetooth 4.1 + EDR Apt-X technology, giving these wireless earbuds unparalleled high fidelity sound quality with deep bass and crystal clear treble SWEATPROOF AND WEATHERPROOF - Made to withstand intense heat and sweat of exercise, and even jogging in light rain. The Bluetooth Earbuds sweatproof can be used as gym headphones, sports Headphones, running Headphones and workout Headphones without problem POWERFUL BATTERY - The polymer 110mAh battery in the wireless Bluetooth headset provides 6-8 hours of talk/playing time and up to 200 hours of standby time with a single charge. Battery status displays on iPhone, free worry the Bluetooth earphones turn off due to out of juice suddenly when you are exercising or working out UNIVERSAL COMPATIBILITY - Te-Rich Bluetooth Headset guarantees a simple, fast and super easy pairing with your iphone 6, iPhone 6 plus , iPhone 6s, iPhone 5, iPhone 5s/5c, iPhone 4s, iPad, Samsung Galaxy s7, s7 edge, s6, s6 edge, s6 edge plus, HTC ,LG, Nexus smart phones and any other iOS and Android cellphones equipped with Bluetooth functionality