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wireless outdoor mini speaker with retro wooden radio and sd card home karaoke speakers
Microphone Use distance:Open Area 80M RF range: 620-720MHz RF stability: ±0.005% Frequency response:50Hz-18KHz Distortion:<0.5A% weight 1KHz Speaker Size: 25*28*12.5cm Battery:2000mAh*2 DC 7.4V lithium battery Working Time: 3 Hours Output power:30W+2*10W Speaker unit: 5"+2*3" / Horn resistant: 4Ω Frequency response: 50Hz-20KHz S/N ratio: 65dB Distortion <1% Bluetooth version 4.2+EDR Packing: 37.5*16.5*30cm / Weight: 3.25KG |