Yison B4 Foldable Wireless Headphone-Red

Yison B4 Foldable Wireless Headphone

The Yison B4 Foldable Wireless Headphone provides greater sound quality with a 10mm drive unit and V5.0 wireless technology. You can enjoy your music without being bound to your device thanks to a transmission distance of more than 10 meters. These Yison B4 Foldable Wireless Headphone have a sensitivity of 93 dB3 and an impedance of 3215%, resulting in crystal-clear audio. The 3.7V/110mAh battery capacity allows for up to 5 hours of music listening time or 3.5 hours of phone conversation time on a single charge. With the Micro USB/DC5V/500mA input voltage, charging is simple and quick; a full charge takes only about 1.5 hours. Yison B4 Foldable Wireless Headphone standby time is roughly 188 hours.