The Acefast R2 microphones offer clear sound, stable connection, and consistent performance, making them a reliable solution for media productions and everyday filming. Advanced noise reduction The microphones use Noise Reduction technology to eliminate background noises, providing clear voice capture even in crowded environments. Ultra-low latency The lavalier microphones offer a latency of 30ms, ensuring fast and accurate sound transmission, maintaining precise synchronization between voice and image. Specifications: Transmission distance: 15m; Operating frequency: 2402 -2480MHz; Transmission delay: approx. 30ms; RF Power: 4dBm; Microphone battery capacity: 60mAh; Microphone operating time: 4 hours; Case battery capacity: 300mAh; Total operating time: 20 hours; Case power input: 5V/0.35A (USB-C port); Microphone charging time: 1 hour; Case charging time: 1 hour; Dimensions: 71 x 51 x 26mm; Weight: 48g; The package includes: 2x microphones, receiver, charging case, USB-A to USB-C cable.