ADVANCED TECHNOLOGY - SAUNORCH K19 Wireless Sports Bluetooth Headphones are equipped with Bluetooth 4.1 technology Faster and more efficient than ever before Bluetooth 4.1 improves over the past version with quicker response lower frequency and low energy consumption.</br>HD STEREO & NOISE CANCELLATION - APT-X audio decode technology provides pure CD-like high quality sound for compatible devices.Offering you perfect stereo sound adopted CVC 6.0 Noise Cancellation technology reduces background noise no matter where you are you can focus on your favorite music or your phone calls without noise disturbance It can provide steady Bluetooth signal ensure operating distance of up to 10M in open space.</br>LONGEST BATTERY LIFE - This Headset is equipped with 100 mAh large Capacity Lithium Polymer Battery allows seamless enjoyment of up to 6-8hours playing time180 hours stand-by with a quick charge of only 1-2 hours.</br>COMFORT & SECURE FIT DESIGN - K19 Wireless Bluetooth Headset features Ergonomically designed flexible ear hooks and different size S/M/L custom comfortable silicone eartips ensure a comfortable and secure fit for everyone?? without hurting your ears no matter how long time you wear it in gym or running. Enjoy a secure fit and skip-free high-fidelity stereo music every time with precision ear-buds. Perfect partner for sports enthusiasts especially.</br>SIMPLE & ACTIVE LIFESTYLE - The Headset coming with a nice handy storage bag?? it is perfect for protecting your headset or carrying out your headset with your travel. Embedded sweat-proof component protects your device from damage of sweat and makes it the perfect choice for working out. Lightweight designed fit for all kinds of lifestyles like running?? jogging?? cycling?? driving?? camping?? hiking?? gym?? exercise and other indoor or outdoor activity.</br></br>Product Description</br></br><p ><strong>Sweat Proof Technology</strong><br /> sweat-resistant technology ?provides a sweat protection to make your ear buds sweat proof. Do a heavy work out and sweat it out in t