Features 1、RELIABLE MATERIAL: The wireless microphone set contain two microphones, and the shell is made of ABS material, which is harder, lighter and more wear resistant. Thickened metal mesh cover, heat treatment technology, no fall, no deform, safe, drip proof, prevent screaming, interference resistant 2、STABLE AND VERSATILE: Easy to connect and play without pairing. Possess stable signal, wireless microphone compatible with karaoke machines, electric speakers, amplifiers, mixers and sound interfaces 3、OUTPUT AND RECEPTION: The wireless microphone has an external independent antenna output port, and the built in frequency bidirectional encryption signal technology is locked, about 30m remote reception, more stable and farther 4、WITH BATTERY: Wireless microphone produce excellent, clear, undistorted sound. Professional moving coil microphone set with 3 built in rechargeable and replaceable batteries 5、PORTABLE AND WIDE APPLICATION: Wireless microphone set is easy to carry, can be directly connected to any sound without a separate output line, suitable for karaoke, language, meeting, performance, indoor or outdoor use Specification Item Type: Wireless Microphone Set Material: ABS, metal Power Supply: Receiver: 1 x 1800mAh lithium battery Microphone: 1 x 1800mAh lithium battery Frequency Response: 40Hz-18kHz Frequency Stability: ±10ppm Signal To Noise Ratio: ≥90db Frequency Range: 200MHz-270MHz Output Mode: Independent and mixed automatic selection Package List 2 x Microphones 1 x Receiver 1 x Adapter 1 x USB Charging Cable 3 x Lithium Batteries 2 x Non slip Rings 2 x Microphone Covers 1 x User Manual