Product name: wireless lavalier microphone. material: plastic. size:. Microphone size: 62*23*28mm. Receiver size: 45*27*7mm. Features:. 1. 9ms ultra-low latency, 20m barrier-free reception, can be used for outdoor live broadcast and small video.. 2. No APP required, plug and play, one-key connection, easy to wear.. 3. Intelligent noise reduction, 10 hours of long battery life, easily cope with various noisy environments, worry-free shooting, and meet your needs for a day.. 4. 360 omnidirectional pickup, recording every detail of the sound.. 5. Small and convenient, compatible with various devices, support mobile phones, tablets, cameras, notebooks, etc.". Parameters:. Frequency: 2.4GHz. Input voltage: DC4.8-5.4V. Charging interface: Lightning/Type-C. Battery capacity: 80mAh. Transmission distance: 8 m barrier-free, 20 m barrier-free. Parts List:. 1 x rechargeable wireless microphone. 1 x receiver. 1 x English manual. 1 x USB data cable. Other instructions: None