Shenzhen Rui Shi Tong Sales Department is a professional enterprise's Manufacturing Department providing two-way radio accessories. For years, we have been committed to development product according to domestic and international market demands. Our full range of products include Bluetooth items, earphones, headsets, speaker microphones, throat microphones, air catheters, leather cases, batteries, chargers, housings, antennas and other fittings compatible with major brands of two-way ...