DRUMROAR Wireless Bluetooth Headphone|Magnet Earphone for Sport, Running,Gyming with 4.1 Technology with Mic Compatible with Android Phone and iOS FUNCTIONAL DESIGN : Headset is designed to fit firm on your ear and to ensure its anti fall-out. Its specially designed for driving, travelling, running , jogging and to use at gym. These earphones are made of light weight metal. The earphone has magnetic locking to hang over the neck when not in use. NOICE ISOLATION TECHNOLOGY : Designed to let nothing go in between you and your music. The earphone , earbuds physically block external sound. Make you experience sound with bilateral stereo effect. The earphone provides high bass and best treble. HANDSFREE CALLING : It features a one touch incoming call receive functions from up to 30 feet distance. The earphone has song selection , play / pause function and call receiving controller. INCREDIBLE PLAYTIME : Headset provides an impressive 150 hrs of standby time and about 5 - 6 hours of music play time.