It is a kind of WIRELESS and RESONANCE pickup system that consists of magnetic microphone, delay reverb and chorus.
Adjustable control of reverb, delay and chorus, multiple sound effects that can be used alone or at the same time.
With hall and metal two effects of reverb.
Magnetic and microphone double pick up to collect the tapping.
Wireless and co-frequency resonance can increase the acoustic volume up to 30%~50%.
Features: It is a kind of WIRELESS and RESONANCE pickup system that consists of magnetic microphone, delay reverb and chorus. Adjustable control of reverb, delay and chorus, multiple sound effects that can be used alone or at the same time. With hall and metal two effects of reverb. Magnetic and microphone double pick up to collect the tapping. Wireless and co-frequency resonance can increase the acoustic volume up to 30%~50%. Anti-interference, reduce and anti noise. Build-in Lithium battery, it can be used continuously 6-8 hours after a fully charge. It has less than 3ms output delay from the microphone to the audio, which meet the musical instrument performance standards. It fits all acoustic guitar soundhole in 90~105mm, easy installation, no punching required, all you need is one screwdriver. Suitable for all kinds of guitar players, fans or the professionals. Compatible with all kinds of musical instruments, outdoor speakers, home theater computers, mixer, sound card audio, etc Specifications: Material: ABS UHF: 760~769MHz Frequency Response: 30Hz~20KHz Output Delay: <3ms Resonance Pickup Size: 102 * 50 * 30mm / 4.02 * 1.97 * 1.18in Pickup Size: 140 * 48 * 28mm / 5.51 * 1.89 * 1.10in  Item Weight: 368g / 12.98oz Package Weight: 675g / 23.84oz Package Size: 21.5 * 15.5 * 8cm / 8.46 * 6.10 * 3.15in Packing List: 1 * Pickup 1 * Resonance Pickup 1 * Vibrating Horn 1 * Receiver 1 * Output Tail Nail 1 * Tail Nail Leather Case 2 * USB Cable 2 * Line Clamp 4 * Screw 1 * Manual (English)