Play time: Fully charged, intermediate volume 2-5 hours

Speaker power: 5W * 2

Signal to noise ratio: ≥ 60dB

Frequency response range: 40~20KHZ

Battery: Built in 1500MA lithium battery

Charging time: 3-5 hours

Power adapter requirements: Output voltage: 5V, current 1A/2A

Accessories: 1 charging cable, 1 manual, 2 wireless microphones

Color: Black, Red, Gold,  White,Green.

Product Features:  Play MP3 format music from a USB flash drive/TF card, connect to a phone, TV, projector, or tablet via Bluetooth for karaoke, and use it as a microphone for speeches.