Technuter Lumiford has launched a range of powerful Wireless Headphones HD50, HD60, and HD70. Powered with advanced wireless technology, bolstered by 40mm HD True-Bass Drivers and 20Hz~20KHz speaker frequency response, these over-ear headphones are perfect to drown out the noise and enjoy your music. With an Advanced Wireless V5.0 connection, all three variants offer a 10m transmission range. The HD series equipped with a 3.5mm Aux connection, MicroSD Card, and FM support from multiple music options. The Bluetooth headphones are powered by Rechargeable Li-Polymer 400mAh batteries that offer 150 hours of standby time and up to 12 hours of music playtime in just 2.5 hours of charging.