1. The transmitter weighs only 7.9g, which is small and light, and can be worn without feeling 2. 48kHz high-quality recording, supports one-click noise reduction 3. 10 hours of ultra-long battery life, 300 meters of stable transmission, reliable in any scene 4. Magnetic suction, clamping, lanyard, with a variety of accessories, support different wearing methods Compatible models: X5 Working power: 45.5 mW Standby power consumption: 38.5 μW Wireless operating frequency: 2.402 GHz-2.480 GHz Wireless transmission power (E.I.R.P.):Less than 10 dBm Bluetooth transmission power (E.I.R.P.):Less than 10 dBm Bluetooth operating frequency: 2.402 GHz-2.480 GHz Frequency response range: 20 Hz-20 kHz Sampling rate/bit depth: 48 kHz/24 bit Transmitter battery parameters: 3.87V/97mAh/0.37539Wh Charging temperature: 0-45°C Operating temperature: -10-45°C Working power: 45.5 mW Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Specifications:1 TX 1 RX Color: Black Material: Plastic Package Contents: 1 * Wireless Microphone Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.