BOYA BY-V20 2.4Ghz Wireless Lavalier Microphones USB-C Mini Video Recording Mic with 2 Transmitters + 1 Receiver •The noise reduction function can be turned on/off freely to restore clean and pure sound quality •2.4GHz wireless transmission technology, low latency, more stable signal transmission •Built-in high-quality omnidirectional microphone, providing users with broadcast-level sound quality •Automatic pairing at startup, no code pairing required, plug and play •Dual-channel design to meet various recording scenarios •The transmitter can work continuously for 9 hours after being fully charged •During recording, if your device needs to be charged, you can connect to this USB-C port to charge it •Compatible with mobile phones, tablets, computers and other recording devices with USB-C interface Specifications: •Transmission Type: 2.4GHz •Directivity: Omnidirectional •Frequency Response: 20Hz-16kHz •SNR: 80dB •Sensitivity: -42dB •Transmission Range: 50m (without obstacle) •RX Output Power: 6db •TX Battery Capacity: 95mAh •TX Charging Time: about 2 hours •TX Battery Life: about 9 hours •Receiver Power Supply Mode: external equipment power supply •BY-V20-TX: 9.5g •BY-V20-RX: 6g •BY-V20-TX: 52.22x25.23x19.75mm •BY-V20-RX: 43.92x24.7x9.3mm Package included: •2 x BY-V20-TX Transmitters •1 x BY-V20-RX Receiver •1 x USB-C Charging Cable •1 x Foam Windscreen •1 x English User Manual •Other items not include