Andoer BQ-602P Portable Multifunctional Sport Wireless Stereo Bluetooth Headset Headphone Earphone with Mic Support TF / MicroSD Play & FM Radio for Smart Phones Tablet PC Notebook Sporty back-hang on-ear design. High fidelity and stereo model make you enjoy wonderful music. Built-in microphone supports digital signal processing echo cancellation technology Support play mode: Automatic loop playback, power off memory play. Supports all intelligent voice navigation. Support hands-free calls and FM radio function. Supports TF card (Up to 32G) play mode: The system will enter into TF card play state, and once you insert a TF / Micro SD card (with music recorded) into TF card slot, the headset will prompt play music when it is in any mode. If the headphone inserted with TF card is in Bluetooth mode, please press Play/Pause button for about 3 seconds to switch to TF card play mode. (Note: TF card play mode is unavailable without inserting the music recorded TF/ MicroSD card into card slot.). Easily control adjusting the volume, previous/next songs, answering/rejecting/ending an incoming call and redialing the last number.