TOPEPOP Universal Wireless Handfree Stereo Bluetooth Headset Headphone Earphone FM MP3 Player Compatible with Android LG G5 G6 G4 Galaxy S5 S6 S7 Edge S8 S9 Plus Other Bluetooth Devices Built in microphone effectively avoid the out of microphone easy to break noise cancelling technology to obtain the high quality voice input.Build in 250Mah Battery,Talk time up to 12hours,listen to music time up to 10hours Easy operation and Outstanding Voice Quality,With memory card slot, insert TF card / micro SD card to play music Wireless Bluetooh Easy access to music or phone calls wirelessly,Volume control, next / prev songs change, pause / play volume control key & call button & and multi-media ,Good quality, foldable design and adjustable length hinges, very comfortable to wear and easy to carry works for all Bluetooth mobile phones, you can enjoy hands-free talk with your friends.