SinoPro Wireless Bluetooth 3.0 + EDR Digital 4 in 1 Multifunctional Stereo On-ear Headsets Headphones with Microphone MicroSD / TF Card Slot FM Radio for Smart Phones Tablet PC Notebook (Red) 4 in 1 Multifunctional stereo Bluetooth Headphone: Wireless Bluetooth + TF Card MP3 player + FM Radio + Wired Headset function Not only wireless, it also can be used as wired headphone with 3.5mm audio jack, provides a simple wired connection of a variety of music players without Bluetooth function Bluetooth V3.0 + EDR Technology, Transimission Distance Up To 10M, Anwsering Incoming Calls, Handsfree Talking, Superior Compability, High Fidelity Stereo Surround Sound Built-in microphone technology allows clear Phone communication, support hands-free function, conveniently answer the incoming call during travel Be designed with two High-grade speaker, powerful bass system, bring you superior sound effect. Best choice for listening to music / FM Radio, watching movie, chatting online, etc.