SBS TENOSPEAKBTLB Manual De Instrucciones página 4

Specification:
Wireless: V 4.2
Working range: 10m
Power input: 5.0V
Speaker power: 3W
Impedance:4Ω
Frequency:
280Hz-20kHZ
Distortion: ≤1%
Battery capacity: 300mAh
Playing time: 2-3hours
(depending on the volume)
Charge time: About 2 hours
Micro SD card slot (Max 32GB)
USB port
4