Features: 1. Transmitter receiver is a wireless transmitter specially designed for electric blowpipe. It can transmit 5.8GHz original sound with high fidelity to restore the voice of electric blowpipe. It has faster speed, stronger anti-interference ability and more stable transmission performance.  2. The transmitter and receiver are equipped with 3.5mm/6.35mm audio 2-way plug, 270 ?? rotatable plug, which can deal with various positions and angles of the socket, so it is more convenient to use. The frequency indicator shows the current frequency band, simple frequency matching and frequency changing, and the power indicator shows the current power. It can be used for a variety of electroacoustic instruments, such as electric blowpipe, electric guitar, acoustic guitar, bass, electric violin mixer, etc.  3. Four band channels, one transmitter, can support multiple devices to receive, the same station can use four groups of devices, the transmission range can reach more than 50 meters.  4. Built in rechargeable lithium battery, long working time, equipped with USB cable, charging more convenient.  5. Simple to use, small size, light weight, easy to carry.    Specification: Audio response range:5.8GHz;  Frequency bandwidth:20Hz-20KHz;  Transmission range:max.50m (barrier free);  Transmission delay:None;  Power supply:built in 3.7V 600mah rechargeable lithium battery;  Charging time:2 hours;  Continuous use time:4-6 hours;  Charging port:Mini USB;  Product size:98mm 46mm 22mm;  Package size:168mm 98mm 48mm;  Net weight:105g;  Gross weight of single set:240g;    Package Included: 1 x transmitter;  1 x receiver;  2 x 6.35 adapter;  1 x USB charging cable;  1 x bilingual product manual;  1 x warranty card