B19 Wireless Headphone is not just a headset. It provides high? fidelity sound with high? quality speakers and sound chambers. With FM Radio functionality, it scans, receives, and saves FM Channels. It also functions as a music player that can be used when running, cycling, or playing other sports.
It supports 3 formats: MP3, WMA, and WAV. When equipped with an audio cable, it can be used as a wired earphone. You can play music from the memory. It also has a SD card slot .
It uses a practical and replaceable battery that can be used for 10 hours of continuous listening. Specifications Active chip read card/play system Audio mode: compatible with MP3,WMA,WAV formats Frequency Range of the receiver: 76~108MHz S/N ratio:>90dB THD