Indulge in superior sound quality with the Havit H619BT Multi-Function Wireless Headphone, designed for immersive audio experiences on the go. Featuring a portable over-ear stereo HI-FI Sound design with an enclosed cavity, this headphone enhances sound insulation, creating an optimal environment for music enjoyment by minimizing extraneous noise. Versatile and multi-functional, it includes a micro SD slot, FM radio, and 3.5mm AUX connection, allowing for wired or wireless usage. With a rechargeable 500mAh battery, enjoy up to 2-3 hours of continuous playback or 10 hours on standby. The adjustable slider and lightly cushioned headband ensure comfort during extended wear, while the 40mm large-aperture speakers deliver realistic, lifelike sound. Backed by a 1-year warranty, the Havit H619BT Wireless Headphone promises both quality and reliability for your listening pleasure.