Feature:1. High-Quality Sound: Our wireless IEM system transmitter and receiver operate on a 2.4GHz ISM frequency band, offering a superior 103dB dynamic range. With a sampling rate of 48K/16bit, it ensures high-quality signal collection and playback, providing you with a clear and crisp sound experience.2. Low Latency: With a latency of less than 5 milliseconds, our wireless IEM system ensures there is no lag or signal loss. This makes it perfect for live performances, ensuring that you hear every note in real-time.3. Long Range: Our wireless IEM system boasts an impressive indoor range of over 66 feet. This means you can move freely around your stage or studio without worrying about losing your connection.4. Multi-Channel & Easy Pairing: Our wireless IEM system supports 4 channels playing simultaneously. The 270 rotating transmitter and receiver can automatically pair, eliminating the need for manual tuning. This makes it easy to set up and use, whether you're at home, on stage, or in the studio.5. Long Battery Life: The built-in rechargeable lithium battery provides over 8 hours of continuous use when fully charged. This ensures that your performance or recording session won't be interrupted by a dead battery.Specification:Sampling Rate: 48K/16bit high-quality signalLow Latency:<5mSEffective Distance: Usage distance greater than 20m/66ftFrequency Response: 10Hz-22KHz+-1dBDistortion: <0.02% (@ 1KHz-10dBFS)Usage Frequency Band: 2.4 GHz ISM frequency bandAnti Interference Method: Frequency hoppingChannel Quantity: 12 channels divided into 4 groupsBattery: Built in lithium battery, rechargeable lithium battery 3.7V/500mAh, with a range of more than 8 hours when fully charged at onceTransmitter Size: 12 * 3.5 * 1.5cm/4.7 * 1.4 * 0.6inchReceiver Size: 5.7 * 4 * 2cm/4 * 1.6 * 0.8inchPackage List:1 x Transmitter1 x Receiver1 x USB Cable1 x Manual