We offer Sound Module . Product Description 1.Pre-record sound module 2.PCB Size: 30x20mm 3.Speaker: 29mm 4."+ - "trigger .Which was used by Bottle opener and so on....
We are offering 2.4G wireless module-data, voice transmission module supports Two-way Voice Transmission or transmit data by UART that amount can be 2Kbit / S. It is smaller, lower power use, transmission longer, and stronger anti-jamming capability, so it can be widely used in...