Bluetooth Portable Audio Speaker with Mic Hands-free Function Loudspeaker

1 surface with injection of oil , had a strong sense of quality.

2 Nd-Fe-B single speaker stereo surround sound, low shock,?high frequency.
3 colorful dazzling lights give you different visual experience.

4.? Support L2CAP/A2DP(AVCTP/AVDTP/AVRCP), HSP/HFP

5.? Support Bluetooth/Line in connection, FM radio, TF card,USB, Hards-free calling,LED Light

6.? Voice guidance

7.? Built-in mic

8.? Built-in li-ion Battery, 1500mah

luetooth version:????????????????????????????? BT 3.0

Frequency response: ? ? ? ? ? ? ? ? ? ? ? ? ?100HZ-20KHz

Bluetooth distance: ? ? ? ? ? ? ? ? ? ? ? ? ? ?10-15M

S/N Ratio:??????????????????????????????????????????