Wireless Bluetooth Headset for Sports, Neckband Stereo Earphones with Mic TF Card Slot & Hands-Free Calling (Green)

Bluetooth 4.1 Technology: Latest Bluetooth 4.1 technology features much lower power consumption, more stable signal transmission, clearer stereo sound production. And the Bluetooth working distance is up to 10M. Works with most smartphone, tablets and ot Hands-free Calls: Built-in microphone enables you to take hands-free calls with the versatile power button on the headset. Switch easily between songs and calls with our wireless Bluetooth headphones. You can flexibly adjust the volume and switch songs v Comfortable Wearing: Super soft ear cushions fit your ears snugly and bring comfy touch around your ears. Our headphones fit your ears perfectly and help block the ambient noise. Support up 32G TF card: Just insert a TF card loaded with your favorite songs, no need of mobile phones or other auxiliary devices, you can directly enjoy music. Bluetooth Headsets are compatibles with almost every Bluetooth enabled devices such as Cell Phone/Laptop/PC/Tablet.