INN LIFE Bluetooth Headphones, V4.1 Wireless Stereo Sport Headset with Mic for iPhone 7 Samsung Galaxy S7 & More PERFECT SOUND QUALITY: Advanced apt-X sound bluetooth 4.1 technology offering balanced audio and crystal clear sounds for perfect listening experience NOISE CANCELLATION: Built-in microphone with CVC6.0 noise cancellation provides you a hands-free high fidelity and stereo sound, so you can focus on your music or call, no matter where you are. SECURE FIT & CONVENIENCE: Enjoy a comfortable and secure fit with the ergonomic design earphone tips. Easy to operate Yes or No voice control when call comes COMPATIBILITY: Earbuds that work with all smartphones, tablets and music players it can pair with 2 different devices simultaneously. 6 hours talking time, 4 hours playing time, 2 hours charging time NOTICE: This Stylish Lightweight and Sweat proof Bluetooth headphones are perfect for travel or office home use, can be used as sports earphones such as walking Yoga. But not ideal for strenuous sports such as running fast. One-Year Warranty:We warrant this device 12 MONTHS from date of the original purchase for manufacturer defects. If the device fails due to a manufacturing defect, please contact seller directly to initiate return and warranty process.