Feature: 1. Simple to use, with led display, supports a wide range of device applications, as long as the device can be connected to the microphone interface. 2. Suitable for teaching, business promotion, stage meeting training. 3. Automatic connection, compatible with audio, amplifier, multimedia, mobile audio, transmitter equipped with a rear clip for easy transmission. 4. Wireless microphone, easy to carry, simple and practical. 5. The design is light and easy to carry, release both hands, passion deduction. Specification: Condition: 100% Brand New Item Type: Clip-on Lapel Tie Wireless Microphone Material: Plastic Colour: As Pictures Shown Weight: Approx. 430g/15.2oz Modulation Method: VHF Frequency Range: 220-270MHz Frequency Stability: ≤±30ppm Comprehensive Distortion: ≤0.5% Dynamic Range: >90dB Audio Output: Mixed 0- Equilibrium 0- Channel Group Number: Dual Channel Sound Head: Moving Coil Distance: 50m/164ftBattery Type:18650 Lithium BatteryBattery Capacity: 2000mA. Package List: 2x Transmitters1x Receiver1x USB Cable2x Clip-on Lapel Tie Microphones1x Converter1x Instruction