Detailsbrand - neutral;Article No - AKS-28;Transmission range - 10m;function - Battery display; call function; music support; multipoint connection;Processing customization - yes;Bluetooth protocol - 5.0;Vocal tract - stereo;How to use - Headworn;Single or double ears - Bilateral stereo;Suitable for gift giving occasions - Festivals; trade fairs; advertising promotions; employee welfare; anniversary celebrations; business gifts; opening ceremonies; awards; public relations planning;colour - Pink; purple; blue; black; green; gradient purple; gradient blue; gradient pink; gradient green;Mold Type - Common mode;chip type - Jerry ;