Item Type: Wireless Guitar System Material: ABS and copper Battery: 18650 Lithium battery, Capacity: 600mAh Package List 1 x Transmitter 1 x Receiver 1 x Data Cable 1 x User Manual 1PRACTICAL WIRELESS TRANSMISSION: This is a wireless transmission system for electric guitars and other musical instruments. Wirelessly transmit your instrument signal to speakers, audio receivers, or mixing stations, freeing you from the limitations of a wired connection 2USB RECHARGEABLE: This wireless transmission system feature rechargeable design with a built in battery. You can charge via USB cable, no need to buy additional batteries, more environmentally friendly 3STABLE AND INTERFERENCE FREE: This wireless transmission system offer multiple channels to avoid interference and signal loss. You can choose a clean and interference free channel according to your needs, ensuring stable and excellent wireless transmission 4EXCELLENT SOUND QUALITY: The transmission system use a mixture of digital and analog transmission technologies to achieve high fidelity and low latency audio transmission. Provides clear, transparent timbre with low, almost imperceptible delays 5VERSATILE AND EASY TO USE: This wireless transmission system is very simple to install and use. All you need to do is connect the transmitter and receiver to the appropriate device, press the pair button to pair, and start using. Suitable for a variety of occasion, including performance, recording and practice