Wster Karaoke microphone with built-in USB Flash support for WS-858 Gold

Material: Aluminum alloy + ABS + Copper

SD Card: Play songs downloaded from Micro SD card

Output power: 3Wx2

Frequency: 100Hz–10 KHz

Max SPL: 115dB 1 KHz THD 1%

Echoing: Echo

Power supply: Built-in lithium battery

Charging input: DC5V

Battery capacity: 2400 mAh

Charging time: 1 hour

Battery Time: 4-5 hours

Colors: Gold + white + black

Product Dimensions: 11.5 “x5″ x3 ”