Wireless transmitter receiver for electric guitar wireless transmission system

feature of product:
Wireless transmitters and receivers can be used for electro-acoustic musical instruments such as guitars, basses, violin, etc.
Support 10 sets of equipment to be used at the same time, the best effect within 15 meters, the maximum transmission range can reach 30 meters
10 frequency bands are optional, the receiving end automatically tracks and matches
The world's first: high gain and low gain two modes, suitable for passive pickups and active pickups
UHF original sound transmission, anti-interference, ultra-short delay.
Built-in rechargeable lithium battery, long working hours, equipped with USB cable, convenient charging.
Plug and play, easy to use, small in size, light in weight and easy to carry.
Has passed FCC RoHs CE certification

specification:
Audio response range: 20Hz-20kHz
Frequency: 570mhz-579mhz
Transmission range: the best within 15m, the maximum range is 30m (barrier-free)
Transmission delay: less than 4ms
Power supply: Built-in 3.7V 700mah rechargeable lithium battery
Charging time: 2 hours
Continuous use time: 7 hours
Charging port: micro USB
Charging cable: about 21cm (1*USB socket, 2*MicroUSB socket)
Product size: 11.8*4.5*1.5 cm (transmitter and receiver)
Packing size: 14.5*10.5*5cm
Gross weight: 214g
Net weight: 108g (single transmitter and single receiver each weighs 40g)
Products include:
1*transmitter
1*receiver
1*usb charging cable
1*Instruction