Built-in dual antennas for 80M long-distance transmission using 2.4GHz wireless technology, ensuring stable signal and high-definition o transmission. Large-capacity battery with long runtime. Equipped with a 900mAh 18650 lithium battery and replaceable USB cable for power supply. Provides 6-8 hours of usage when fully charged. 48kHz sampling rate delivers high-fidelity sound reproduction. High-performance decoding chip with 110dB dynamic range signal-to-noise ratio accurately restores sound details. L-shaped connector design is compact and space-saving, offering greater convenience during use. Smart multi-device compatibility allows easy connections and seamless wireless experience. Type: One for Two Color: Black Material: Metal Package Contents: 2 x Microphone Transmitter Receivers 1 x Microphone Receiver 3 x Adapters 1 x USB Cable Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting effects and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.