1. Intelligent AI noise reduction, devices can be used while charging their phones. 2. The battery life can reach up to 15 hours.Support Type C Interface. 3. Wireless Connection,Supports magnetic attraction, making it easier to wear. 4. The device supports one to two use,Three level volume adjustment microphone sound volume. 5. Replay can be viewed directly without unplugging it. Transport Protocol: 2.4G Passageway Transmission Distance: About 100 Meters One drag two: Yes, Support Earphone Monitoring: Yes, RX Support (Type C Earphones) Noise Reduction: AI Smart Noise Reduction Reverberation: Support Sound Delay: Less than 25 milliseconds Microphone: Omnidirectional microphone Frequency Response: 20Hz - 20KHz Sampling Rate: 48KHZ Signal to noise ratio: Greater than or equal to 65dB Working current: 11 - 12mA Microphone Battery: 80 mAh, About 5 Hours Working Time Charging compartment battery: 600mAh, About 2.5 Hours Charging Time Charging voltage: DC 4.8V - 5.3V Working temperature: -10℃ to 50℃ Adapter: 5V / 1A Support For: OutDoor/Live streaming/recording/vlog/Explore the store Colour:Black Material:ABS Package Contents: 1 * Lavalier Microphone One to Two 1 * Charging Cable 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.