Bluetooth Audio Microphone Integrated Microphone Children's Outdoor Home Wireless Portable Speaker Features: Palm sized, rare 3-unit sound configuration, 10W high power exceeding expected high energy, covering 200 meters of the entire house. The large speaker, combined with a large power amplifier, outputs a larger volume with afigure, covering a range of up to 200 meters.Built in 4-core AR chip intelligent bel canto sound effect, no noise, no howling, no interruption, improving sound permeability and layering, bringingaudio-visual experience. High configuration Min microphone 2.4G wireless transmission. High capacity batteries continue to sing for 8-10 hours of long-lasting battery life throughout the day, bid farewell to battery anxiety, listen to whatever you want, sing whatever you want. Product Description: Specification: Material:ABS Size:38.538.5128mm Frequency range: 100HZ-20KHZ Effective distance: 10 meters SNR70db Rated voltage 3.4-4.2 Volume 10W Power Chip AR high-end DSP chip 10 hours of battery life+battery life Charging voltage 5V Package List: 1XBluetooth audio Note: Please allow slight error due to the manual measurement. Thanks for your understanding. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real . Please take the real one as standard.