SENECESLI Wireless Microphone Headset - 2 x Microphone 2.4G

"Specification: Item Type: Wireless Microphone Headset Material: ABS Battery Type: Lithium Battery Receiver Battery Capacity: 400mAh (Included) Single Microphone Battery Capacity: 400mAh (Included) Transmit Frequency: 2400Hz Sound Response: 20-20KHz Sound Signal: Digital Sampling, Mixed Output Power Consumption: ≤35mA Charging Time: About 1.5 Hours Use Time: About 12 Hours Applicable Equipment: Amplifier, Trolley Speaker, Power Amplifier, Teaching All in One Machine How to Use: Plug and play. Package List: 2 x Microphone 1 x Receiver 2 x Head Mount 1 x Instruction Manual 1 x One for Two Charging Cable 1 x 3.5MM to 6.35MM Adapter "