Promate NOVA Wire & Wireless Hi-Fi Stereo w/ MicroSD FM Radio AUX Port Noise Isolation Built-in Mic & On-Ear Control - Black: From the manufacturerEquipped with high-definition 40mm drivers, Nova wireless headphones deliver brilliant sound quality punctuated with superior bass, so every track on your playlist pops. The ergonomic earpads let you enjoy up to 10 hours of music streaming with 2 hours of recharging t