Product features:
1). Portable and foldable design, ultra lightweight, easy to carry on, the earmuffs are made of soft breathable protein leather, provide you comfortable wearing-on experience.
2). 40mm dynamic alloy speaker drivers, tuned by professtional team, high fidelity stereo surround sound, enjoy the wireless high quality music ..
3). Bluetooth 5.0, lower power consumption, HD audio decoding, superior compatibility, compatible with almost all the mobile phone, tablet PC, notebook, any devices with Bluetooth function or with a 3.5mm audio jack.
4). Built-in micro-SD card slot, support 32GB max, support insert a micro-SD card with downloaded songs to play music.
5). Built-in concealed HD microphone, the headphone itself has a incoming answer phone calls' button to pick up phone call.
6). The headphone has a standard 3.5mm audio jack support line-out play mode, you can use 3.5mm audio cable connect to headphone to listen to music used it as wired headphone.