Bluetooth Headphones, Pobon Sweatproof QY11 Sport Wireless Bluetooth Earbuds Stereo Headset Earphones with Mic for Running Sports & Exercise (Bluetooth 4.1, Secure Ear Hooks Design, 7 Hours Play Time) 1. AMO QY11 BLUETOOTH HEADSET, equipped with latest Bluetooth 4.1 + EDR apt-X audio decode technology and advanced CVC 6.0 noise-canceling and isolation technologies to provide a superior listening experience, let you enjoy lossless music with dynamic, balanced audio and crystal clear sound. Adopted V4.1 CSR chip to provide steady Bluetooth signal and low delay. 2. COMFORTABLE SPORT HEADPHONES WILL NOT FALL OFF, portable and lightweight wireless headphones come with 2 pair of different-sized semi-closed sport ear tips and built-in memory metal earhook and pressure-free wearing trial, ensure perfect fit and remain stable and comfortable in your ear when you're running, gym, fitness, workout, sports. 3. SWEATPROOF, invisible nano-coating technology protect earbuds against splashing water, light corrosion of haze and sweat during running and workouts or other activities. 4. Up to 6-8 hours talking/ playing time, 1-2 hours charging time, 250 hours standby time. Support IOS DEVICE POWER DISPLAY. Great compatible with any Bluetooth enabled devices, iPad PRO, iPhone 6S 6 Plus,5S, Samsung Galaxy S6 S5 Note 5/4/3, LG G4 G3. 5. Built in HD microphone, remote and call answering buttons. [ Vibration notice when call is coming]. 45 days money-back & 1 year worry-free warranty, and friendly customer service. Welcome to reach out to us first if you have any issue, thanks.