Features:1. Wireless Lavalier Microphone, Wireless Live Broadcast/Karaoke/Outdoor, Ultra-Clear Radio + Intelligent Noise Reduction + Reverberation Effects + Real-Time Monitoring + Bluetooth Accompaniment 2. 2.4g True Wireless Technology, High-Quality And Stable Radio 3.360° Omnidirectional Sound, Nearly Zero Delay In Live Recording, Allowing Video/Live Broadcast To Enjoy Wireless Freedom 4. Noise Reduction Chip, Dsp Dual-Mic Hybrid Noise Reduction 5. Built-In Reverberation Effects Create A Three-Dimensional Sense Of Space And An Immersive Sense Of Presence The picture is a high-definition rendering. There may be color difference after receiving it, which does not affect the actual use. Description: 1. Transmission Protocol: 2.4G Private Protocol 2. Bluetooth Protocol: Supports BT5.3 3. Transmission Distance: 220 Meters 4. Charging Time: 1.5H 5. Adapter:5V/1A 6. Working Hours: 6-8H 7. Sampling Rate: 48Khz 8. Battery Capacity: 300mAh 9. Working Temperature:-10°C-50°C Material: ABS colour: As shown Package Contents: 1*One-To-One Wireless Lavalier Microphone 1*Charging Cable 1*English Manual 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.