Wireless Bluetooth Noise Cancelling Headphones with Microphone for Android Phones and Bluetooth Enabled Devices Wireless Bluetooth Headphones- Advanced Bluetooth 4.1 technology Compact and lightweight wireless earbuds with in-ear design for secure fit and premium sound Designed for all users - Ideal wireless ear buds for the Gym, Hiking, Cycling, Jogging for simple casual listing without those annoying cables Sweat-proof, durable design, up to 8 hours of Talk/Playing Time and 300 hours Standby Time Package contents: G-Cord Wireless headpphones, user manual, charging cable, and earbuds