GMW Earbuds / Headphone with Microphone Stereo Sound Earphone + Volume Control Lightn Wired Bluetooth Compatible Phone X / 8 / 7 / 6S / 6 / Plus and Pad Using Step It is a wired Bluetooth earphone, please turn on the Bluetooth on your phone to connect Earphone first when you use it, and it is just for power. The next time when you use again, it will connect automatically when you plug in the cable in 2-8 seconds if your Phone's Bluetooth are turned on Phone Call & MusicGMW wired Bluetooth earphone built in hands-free microphone, in-line remote control with Play/Pause, hand-free calling Wide Compatible Compatible with Phone 6, Phone 6 Plus, Phone 7, Phone 7 Plus, Phone 8, Phone 8 plus, Phone X and Pad, support all iOS system with lightn port High-end TechnologyBuilt with high-quality speakers for extended frequency range, lower distortion and super bass, new design high performance and noise isolating ear tips eliminate ambient noise New Performance DesignOur new performance design earphone, make you are different with the other people WarrantyEvery earbuds ordered from GMW, you have the rights to replacement or full refund. Please contact us, if you have any questions. We will respond you within 24 hours