Fangrui Product Details 1. 8g Wireless In Ear Monitor System Dual-earphone Monitoring Transmitter Receiver 2. Wireless In-ear Monitoring System, 5.8g High-frequency Transmission, No Loss Of Sound Quality, Strong Anti-interference Ability 3. Support Type-c And 3.5mm Audio Ports, Compatible With Most Sound Cards 4. The Receiver Has Dual Headphone Monitoring Holes, Supports Two-person Monitoring 5. Intelligent Power Saving Mode, The Machine Will Automatically Shut Down If There Is No Accessories Within 60 Seconds 6. Built-in Large-capacity Lithium Battery, 24 Hours Of Long-term Battery Life 7. Stable Transmission With Low Latency, Fast Response, Easy To Control Various Games 8. Intelligent Approach Automatic Connection: When Out Of The Signal Usage Range, The Receiver Will Disconnect. When Entering The Signal Usage Range, The Receiver Will Automatically Connect To Receive Sound Without Re-matching And Connecting 9. Lightweight Design, More Comfortable To Wear 10. Parameters: 11. Standby Time: About 24 Hours 12. Receiver Distance: About 30 Meters 13. Mode: Monitoring 5.8g Wireless 14. Frequency Range: 10 Hz-20khz 15. Audio Quantization Sampling Rate: 24bit48k 16. Transmission Delay: About 6.5ms 17. Charging Input: 5v1a 18. System Distortion Rate: Less Than Or Equal To 0., Odb1khz 19. Headphone Output: 2 X 10 Omw (32 Ohms) 20. Carrier Frequency Band: Ism Band 5.8ghz 21. Battery Capacity: Transmitter 370mah, Receiver 1000mha