Features:
Professional electric guitar wireless system transmitter with mic & receiver.
UHF provides great stable signal transmit, full & clear sound quality.
500-980MHz UHF frequency range, 32 selective channels, best anti-interface capacity.
Adopts noise locked & pilot tone locked, low noise.
Audio output selective, 6.35mm audio output port.
Easy-to-read LCD display, with adjuster for volume & frequency.
40-150m operating range in open areas, effective transmit even with obstacles.
2 * AA batteries for receiver & 1 * AAA battery for transmitter(batteries not included). with a DC 3V 450mA adapter for charging or power supply.
Free for your performance for it occupies little space.

Specifications:
Material: Plastic
Suit for: Electric Guitar
---Receiver:
Frequency Range: 500-980MHz
Channel: 32
Sensitivity: 3uV 30dB S/N
THD: Less Than 0.5% at 1KHz
Frequency Response: 40Hz-18KHz
Power Supply: 2 * AA Batteries or DC 3V Adapter(batteries not included)
Size: 12 * 7.8 * 4cm / 4.7 * 3.1 * 1.6in
Weight: 170g / 5oz
---Transmitter:
Frequency Range: 500-980MHz
Maximum Modulation: +-45KHz
RF Output Power: 6mV
Plug Diameter: 6.35mm
Power Supply: 1 * AAA Battery(batteries not included)
Size: 8.5 * 2.5 * 2.5cm / 4.3 * 1.1 * 1.1in
Weight: 39g / 1.4oz

Plug: US, EU
Voltage: Input 100-240V, Output DC 3V
Package Size: 28 * 20 * 7cm
Package Weight: 837g

Note:
If you want to charge for the battery, please be sure that the battery is rechargeable.
The batteries are not included.