One click quick pairing of Bluetooth headset, display the device name of Bluetooth headset, and connect the device to the device you connected recently or the device you connect most often. You can quickly adjust the volume in the Bluetooth headset. It can quickly obtain the power of Bluetooth headset. Custom equalizer is an equalizer for most music applications, with the best 5-band adjustable, bass boost and virtual effects. Let your music player have unprecedented sound effect and more professional experience. Equalizer can improve the quality of music or audio on your phone, allowing you to easily control the sound effect of current music. Choose your favorite style, which includes 9 professional music style presets (standard, jazz, dance music, pop, rock, hip hop, classical, heavy metal, Latin) for you to choose.