Tone Parts Electronics Co., Ltd. is a manufacturer in Shenzhen City of China who manufactures multifunctional and waterproof switches and phone jacks. Tone Parts Electronics Offers more than 2000 types of switches at present. They are widely used in A/V equipments, alarm equipments, digital cameras, DVs, MP3/MP4 players, mobile phones, electronic toys, study machines, computer equipments, auto electronic parts and more.