New Arrival Hot Bluetooth Mini USB Speaker 
Portable mini bluetooth speakers, bluetooth speaker, sound box bluetooth speaker, cell phone bluetooth speaker

1, Single-channel portable speaker
2, Supporting TF card (maximum capacity can reach to 8G) and with AUX input
3, Using low-frequency enhancement technology
4, Using anti-breaking sound's technology
5, Loudspeaker: 3Ω 3W
6, Working voltage: 3.7V, worked by Lithium battery built-in (400mAh), working current 300mA
7, Supporing USB flash drive and TF card, with charging function, charging voltage: 5V, the charging current: 100mA
8, SNR≥ 95dB, Frequency Range: 60Hz ~ 18kHz, THD≤ 0.5%
With mini SD card function and Li battery