MEE audio M9B In-Ear Bluetooth Headset is here. Yes, M9 Classic Hi-Fi Noise-Isolating In-Ear Headphones goes wireless and becomes M9B. It is your go-anywhere media companion. A full-featured headset in a lightweight and compact form factor, and perfect for use on the go, wherever you go! Advanced Bluetooth 4.0 technology provides great sound and wireless convenience with phones, tablets, and other Bluetooth devices, allowing you to stream audio and take calls without tangled cords.