Built-in dual antennas for 80M long-distance transmission using 2.4GHz wireless technology, ensuring stable signal and high-definition audio performance. Large-capacity battery provides extended usage. Equipped with a 900mAh 18650 lithium battery and a replaceable USB cable for power supply. Offers 6-8 hours of continuous use when fully charged. 48kHz sampling rate delivers high-fidelity sound reproduction. Features a high-performance decoding chip with a dynamic range and signal-to-noise ratio of 110dB for accurate sound detail restoration. L-shaped connector design is compact and space-saving, allowing for convenient use in tight spaces. Smart multi-device compatibility enables easy connections. Simple and convenient operation for seamless wireless audio experience. Type: One Transmitter for Two Receivers Color: Black Material: Metal Package Contents: 2 x Microphone Transmitter/Receiver 1 x Microphone Receiver 3 x Adapter 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 tolerance is +/- 1-3 cm.