• Dual-Channel Wireless Receiver• Digital 2.4 GHz Frequency Band• Super-clear recording sound• Compatible with smartphones, DSLR cameras,• headphone connector for real-time monitor• Lightweight and compact for easy carrying, Easy to use.• Omnidirectional lavalier microphone• Up to 60m (197ft) operation range (without obstacle)• Power supplied by two AAA batteries for transmitter and receiver.