Features:* Present 48K / 24bit professional audio quality with 2.4GHz transmission band, low latency, lossless digital transmission and anti-interference performance.* Inbuilt 4 channels can be easily switched by one-click. 4 different colors of LEDs make it more convenient to identify and operate. * 4 different groups of devices can be used at the same timeafter connected to different channels. One transmitter can transmit signal to multiple receivers.* Achieve 30m outdoor transmission distance and 15m through-wall transmission, completely getting rid of the shackles of cables.* Rechargeable 650mAh battery, offers up to 5 hours high-energy endurance to make sure seamless signal transmission. Double-end charging cable can charge both the transmitter and receiver simultaneously with short-circuit protection.* 282 rotatable head is designed to fit almost all musical instruments. Foldable design brings more convenience for use and space saving. * 6.35mm gold-plated standard audio interface, ensures continuous and stable signal transmission with high-fidelity. Plug and play, no need to pair, simple and easy to use. Note: Please read the user manual carefully before using this product.Specifications:Model: WS-1Color: Black / Silver (Optional)Material: Plastic+ABSBattery Capacity: 3.7 / 650mAhSample Rate: 48K / 24bit Lossless Digital TransmissionTransmission Band: 2.4GHz ISM Frequency BandTransmission Distance: 30m for outdoor transmission, 15m for through-wall transmission