Vsport SH10 Wireless Over-ear Bluetooth Clear Bass Headphone with HD Micro supports FM Stereo Radio & TF Card (Black) Over-ear & Adjustable headband Design: Adjust the headband for tight and comfortable wearing by yourself, no worries of the headset falling. High Fidelity & Clear Bass Effect: This headphone supports various sound effects adjustment, easily realize the sound quality you prefer. Multifunctional Design: Support wireless connection via bluetooth, & wired connection with phones/computer; Support TF card playback, insert the TF card into the headphone to play music when there is no phone. Built-in Battery: With high performance rechargeable polymer battery, this headphone provides 8-10 hours of music time, less than 3 hours of charging time. Universally Compatiblity: Suitable for most Bluetooth-enabled devices, such as iPhone6s plus 5S 5 4S and Android smartphones, Samsung Galaxy phones and so on.