1.Intelligent Noise Reduction, Clear Recording, Built-In Noise Reduction Chip, Strong Anti-Interference Ability, Can Effectively Identify The Sound, And Can Still Record Clearly In A Noisy Environment 2.360 Omnidirectional Pickup, Built-In High-Sensitivity Condenser Microphone, 360 Omnidirectional Pickup. Equally Receive The Sound From All Directions, The Sound Is Clear, And The Is Restored. 3. Long-Lasting Battery Life, Large Capacity Lithium Battery, Built-In 300mah, Continuous Working 10 Hours And Above 4. 10m Barrier-Free Transmission 5. More Applications, More Convenience Description: 1. Chip: Professional 2.4GHz wireless microphone chip 2. Microphone sensitivity: -38dbm 3. Normal mode recording sampling rate: 44.1K 4. Noise reduction mode recording sampling rate: 32K 5. Transmit power (MAX): 10dbm 6. Indoor barrier-free straight line distance: 15-20 meters 7. Outdoor barrier-free straight line distance: about 10 meters 8. Charging port: 8-pin 9. Material: ABS Transmitter (TX) operating current parameters: 1. Battery capacity: 70mAh (LIR1254) 2. Shutdown power consumption: 2.6uA 3. Power consumption: 4mA (not paired with the receiver when turned on) 4. Power consumption: 10mA (power on and paired with receiver) 5. Power consumption: 6mA (enter silent mode) 6. Charging current: 70mA Transmitter operating current parameters (RX): Working power consumption: 16mA (plug in mobile phone) Colour:As Shown Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Package Contents: 2 x Launcher 1 x Receiver 2 x Windproof plush 3 x Type-C charging cable 2 x Monitor headphones 1 x 3.5mm TRS to 3.5mm TRS Audio Cable1 x 3.5mm TRRS to 3.5mm TRS Audio Cable 1 x Storage box 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.