Description: The wireless microphone uses a stereo surround. Both bass and treble can be played well through the microphone. Features: 1. The wireless microphone easily switches between different modes and enjoys singing along with the music. 2. The playback and radio functions are gathered in this small microphone. 3. The wireless microphone is powered by an internal rechargeable battery that provides up to 6 hours of battery life. Specifications: Pointing feature: omnidirectional/non-pointing Channel: 2.1 Input voltage: 220V Item Number: Z-158 Color: pink, blue, black Built-in battery capacity: 1000mAh-1200mAh Battery life: 3-6 hours Signal-to-noise ratio: ≥75dB Frequency response range: 100HZ-20KHZ Packing List: Wireless Microphone*1 Charging Cable*1 Manual*1 Notes: Due to the lighting effects and shoot angles, there is a color difference in the product, please understand. Due to manual measurement, there is tolerance in the product size.