Detailsbrand - neutral;Article No - YXF224388;Transmission range - 10m;function - Battery display; call function; music support;Processing customization - yes;Bluetooth protocol - 5.0;Vocal tract - stereo;How to use - Earphone ;Single or double ears - Bilateral stereo;Suitable for gift giving occasions - Wedding; birthday; festival; relocation; trade fair; advertising promotion; employee welfare; anniversary celebration; business gifts; opening ceremony; award commemoration; public relations pla