The IQ Sound High Performance Wireless Headphones deliver immersive audio with Hi-Fi speakers and powerful 40mm drivers that cover a full 20Hz to 20KHz frequency range. Designed for comfort, they feature a soft padded headband and cushioned ear pads, along with an adjustable fit so you can enjoy hours of listening with ease. Wireless freedom is supported with Bluetooth connectivity up to 10 meters, and the built-in microphone allows hands-free calling without breaking your flow. These versatile headphones support Bluetooth, AUX, and hands-free functions for flexible use across devices. A rechargeable 3.7V 200mAh lithium-ion battery powers up to 5 hours of playtime on a single 2 hour charge, keeping you connected longer. With 32 Ohm impedance and 58dB sensitivity, the IQ Sound headphones balance performance and efficiency for music, calls, and everyday audio needs. | Iq Sound | | High Performance Wireless Headphones with Microphone | Best Buy