Wireless headset Color: black, red, white, blue and green. This versatile headset combines Bluetooth, card and MP3 playback with hands-free support. 4 in 1 Multifunctional Stereo Bluetooth Headset: Wireless Stereo Bluetooth Headset with MP3 Player and Wired as well. It can be connected with any Bluetooth enabled audio/music player device such as smartphones, tablets, laptops, etc. Designed with high quality speaker, built-in microphone and powerful bass system for superior sound quality. Best choice for listening to music, watching movies, chatting online and other uses. Supports hands-free features to make it easy to take calls while traveling.