Lazor Groove X Dual Audio Bluetooth Earphones | PLUGnPOINT. Experience amazing treble performance and thumping sound with the Lazor Neckband Headphones. With the 3rd generation balanced damping, these earphones improve airflow dramatically, delivering balanced outflows for the front and back chambers. The combination of aero metal and PET composite diaphragm produces a well-balanced sound. As a result, you can enjoy the optimized sound effect.