This neckband Bluetooth headphones use the most recent Bluetooth 5.0 version for a wireless and reliable connection that enables connecting to different Bluetooth-enabled devices such as smartphones, tablets, PCs, and music players, and is compatible with iPhone, Android, and most cellphones. MP3 mode is also available; to listen, plug a micro SD card into this neckband headset. This in-ear earbuds headphones contains a dynamic speaker that provides high-fidelity sound quality and noise cancellation, making the voice more exquisite and the bass more powerful, which is essential for those who appreciate music and provides an ear feast. The earphones are composed of soft material that is pleasant to wear and light in weight, making them suitable for extended usage. When driving or participating in sports, the built-in microphone will be the most useful tool for answering calls.