‎- Supports speakerphone‎,‎built‎-in microphone‎,‎to bring clear calls for you‎,‎it‎'‎s very perfect either with single or multiplayer for phone calls or video chat‎.‎Pure music‎,‎Perfect to enjoy‎- High fidelity sound‎,‎stereo speakers‎,‎built in resonance radiator device‎,‎equipped with high‎-efficiency power amplifier‎.‎Lasting power‎.‎Long battery life‎- Two power modes‎,‎built‎-in lithium secondary medium volume with 8 hours of playback capability‎,‎suitable for any occasion