Enegg Hands Free Wireless Bluetooth Stereo Neckband Headset Headphones with Microphone for iPhone Samsung LG HTC Motorola Android Cell Phones - Running Gym Exercise Sports Earphones (Black) Long life battery: 4 hour battery life with one single charge. Calls: Answer calls with a push of a button, music will pause then resume atfer your call. Music: complete control with skip track & Volume control. Microphone: Hand-free phone calls with one touch control. Bluetooth connectivity: pair any bluetooth device for wire free connection. Volte (Voice over LTE). 3D neckbehind (unique wearing style). Vibrating Call Alert Audible pairing assistance. Audible battery status alert. Auto-reconnect