EGRD Upgraded Bluetooth 4.1 Headphones, 3 in 1 Function Over-Ear Stereo Sports Bluetooth Earphone Headset Earbuds-(Bluetooth,FM Radio,TF Card Playing-32GB)-Wireless Sweatproof Noise Canceling Bluetooth 4.1Version, high quality Bluetooth chip--clear stereo sound quality and stable signal transmission. Upgraded Headset with TF Card Slot, support 32GD Card, Playing as a MP3, need no any other mobile devices. With FM function- as a Radio, just need press the Mode Key to switch, easy to operate. With sponge covers, flexible neckband, soft and comfortable wearing. Durable polymer-li battery,provide playtime up to 5 hrs ,stand-by time 112 hrs,talking/listening time 6hrs.Micro-USB charging port,more convenient for charging.