Detailsbrand - neutral;Article No - 07S;Transmission range - 10m;function - Battery display; call function; music support;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 - Wedding; birthday; festival; relocation; trade fair; advertising promotion; employee welfare; anniversary celebration; business gifts; opening ceremony; award commemoration; public relations planning;colour - Black; white; red; dark blue; light green;Mold Type - Private model;chip type - Jerry ;Shenzhen Huayitai Technology Co.; Ltd. specializes in the production of Bluetooth earphones and private models of Bluetooth speakers. The factory has a building area of 20000 square meters and a 6-storey factory building covering 3600 square meters Our factory has a complete quality management system of R & D equipment (product 3D design; mold development; injection molding machine; finished product wo