Ulanzi A21 Dual Wireless Button Microphone Lavalier Vlog Live Mic For Mobile Phone PC Laptop Computer

Features:- Ultra-compact button-sized wireless lavalier transmitters- 360° omnidirectional sound pickup- AI-powered noise reduction- Stable 2.4 GHz wireless transmission- Long operation time: ~6 h per transmitter- Plug-and-play convenienceSpecification:- Microphone Type: Wireless lavalier microphone system- Polar Pattern: 360° omnidirectional- Sampling Rate / Bit Depth: 32 kHz / 24-bit- Signal-to-Noise Ratio: >58 dB- Wireless Frequency: 2.4 GHz- Wireless Range: Up to ~100 m (open area)- Battery (Transmitter): Rechargeable Li-ion (~6 h per charge)- Charging Case Battery: ~400 mAh (provides ~30 h total)- Transmitter Size: ~28 × 26 × 13 mm- Charging Case Size: ~93 × 38 × 32 mm- Weight (Transmitter): ~8 g- Weight (Case): ~49 g- Charging Time: ~1.5–2 h- Connector Type: USB-CWhat's included:1 x Wireless Receiver1 x Charging Case2 x Transmitters (Mic Units)2 x Furry Windscreens (for outdoor recording)2 x Carrying Cords (lanyards)2 x Clips (for clothing/gear attachment)2 x Magnets (for alternative mounting)1 x USB-C / Charging Cable1 x User Guide