E8 Built-in Sound Card Wireless Neck-Mounted Microphone Gaming Voice Chat Headset 1. Integrated Sound Card for Live Streaming: This E8 wireless microphone headset features a built-in sound card, perfect for mobile live streaming and gaming voice chat. 2. Neckband Design: The comfortable neckband style ensures stability during outdoor use and long streaming sessions. 3. Noise Reduction Technology: Advanced noise cancellation technology ensures clear voice transmission, ideal for outdoor environments. 4. Versatile Remote Control: The 31-key remote control allows for easy adjustment of accompaniment, reverb, microphone volume, and headphone volume. 5. Bluetooth 5.0 Connectivity: Featuring Bluetooth 5.0 for stable wireless connection up to 10 meters range. 6. Long Battery Life: With a 400mAh polymer battery, enjoy up to 5 hours of standby time and the ability to use while charging. 7. Multi-Format Audio Support: Compatible with MP3, WAV, WMA, FLAC, and APE audio formats for versatile playback options. Specifications: 1. Main Chip: WS240 (for both earphones and receiver) 2. Speaker: YS1502007 with copper ring, 14.2mm diameter 3. Remote Control: 14mm x 45mm x 19mm, requires 2xAAA batteries (not included) 4. Bluetooth Version: 5.0 5. Frequency Range: 2.4GHz-2.48GHz 6. Transmission Distance: Up to 10 meters 7. Battery: 3.7V400mAh polymer battery 8. Charging Input: DC 5V1000mA 9. Charging Time: Approximately 2 hours 10. Standby Time: Approximately 5 hours 11. Microphone: 6027M32db 12. Product Dimensions: Earphones 185x135x30mm, Receiver 56x42x12mm, Remote Control 140x45x20mm