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 , making it easier to wear. 4. The device supports one to two use,Three level volume adjustment microphone sound volume. 5. 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: 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.