Amerzam Bluetooth Headphone In-Ear Stereo Bluetooth V4.1 Wireless Sweatproof Running Headset with Microphone(black) Sweatproof,Noise Cancellation,Stereo Wireless bluetooth headphones make you enjoy your music,calling when you are running,cycling,camping,hiking exercise and other outdoor sports. Enjoy 5 hours play time,Fast Charging time(about 2 hours),long standby time(about 175 hours),10m working range and size for L40*W24*H32mm. Use for iPhone 6S Plus, 6S, 6, iPad, Samsung Galaxy, Android Smartphones and tablets, Windows devices, and all popular Bluetooth devices. Packing:1*Amerzam Sport BlutooBluetooth Headphones+1* USB Charging Cable+6*Ear Rubber+6*Ear Hooks+1*User Manual