Bluetooth Headphones,Sea Wit Bluetooth Headphones NFC On-Ear Stereo Sports Headset Noise Reduction with Microphone Red Comfy Headphone: Thick, Wide, Soft But Sturdy Ear Padding, Adjustable Headband To Decrease Press on Your Ears, Moderately Deep Ear Wells, Eliminates Sounds Around You, Offer You A Quiet Time. Overdriven Bass: Overdriven Bass With Sensitivity Enough To Bring In Sub-20Hz Thrum, 40mm Ultra-large Dynamic Drivers, With CVC6.0 Intelligent Noise Reduction, For Superior Sound Quality. Easy & Quick To Pair: Uses Advanced Bluetooth 4.1 Technology And NFC Fast Pairing Function. Fast Connection Brings You High-quality Stereo Sound Experience. Bluetooth Signal Reception Strength Is Strong, Skip-free Through Walls And Obstacles. Smart Wear APP: Uses Smart APP (Android OS), And The Built-in Pedometer Will Keep Your Fitness Activity, So You Will Know Exactly How Many Calories You Have Burnt And The Distance You Have Covered. Compatible With Almost All Android Bluetooth-enabled mobile devices such as, for Samsung Galaxy S6 S5 / Note 5 4, for HTC One, Tablet PC, Laptop, etc. And, it supports auto-reconnect. Battery Life: 800mA battery capacity, up to 45 hours of continuous Music(at full volume no less) and 60 hours of continuous Talk Time, 180 days of Standby Time per charge cycle(Working Temperature: -10C ~ 60C)