portable outdoor stereo speaker box of TF card
Speaker box 1) Small cute mini speaker 2) USB interface and 3.55 DC-5V 3) Play mp3 of the TF card 4) Built-in, 3.7V(780mAh)
Speaker box/ outdoor speaker box/ USB speaker box
portable outdoor stereo speaker box of TF card
| The main technical parameters | ||
| Speaker interface: | DC-5V/USB,LINE IN | |
| Battery / power supply: | Built-in, 3.7V(780mAh) | |
| Audio formats: | MP3 | |
| Output power: | 4w | |
| Peak power: | 4w | |
| Sensitivity: | 90dB | |
| Frequency Range: | 90-120000Hz | |
| Signal to noise ratio: | >85dB | |
| Bass boost/attenuation | 90dB | |
| Treble upgrade/attenuation | 80dB | |
| Tweeter unit | 90 | |
| Midrange unit | 90 | |
| Main speakers: | 90 | |
| Distortion: | 1% | |
| Speaker Impedance: | 4Ω | |
| Maximum SPL: | 28 | |
| Appearance Material: | Aluminum alloy | |
| N.W | 90g | Product size | 55*50*50mm | ||
| G.W | 128g | Package size | 81*51*51 | ||
| Color | blue, black, red, green, silver | Accessories | Charging cable, data cable | ||
portable outdoor stereo speaker box of TF card
