Cootree Wireless Bluetooth Headphone Sport Headset Water Resistant with Microphone Black/Red NEW VERSION: Updated Bluetooth HiFi sound quality and stable signal transmission. Lightweight sweatproof design provide portable usage and enable you to enjoy sporting pleasure in running, jogging, walking and more BUILT-IN MICROPHONE: Let you answer calls quickly without removing your headphones LONG USING LIFE: The battery allows continuous enjoyment of music for up to 16 hours playing time/ talking time with a quick charge of only 3 hours. Perfect for mowing, exercising, jogging, workout and more. Enjoy your music on the go all the day BLUETOOTH 4.1: Advanced Bluetooth CSR 8635 chipset provides you a faster transmission and lower latency. Wireless range up to 10m(33ft). Compatible with iPhone, iPad, Samsung Galaxy Series, Android Phones, Tablets and more. SIMPLE USER INTERFACE: Easy access on the earphones enable you to adjust the volume, play/pause, select songs and answer/hang up calls effortlessly