With FM Radio Support TF Card Portable Wireless Mini Bluetooth Speaker

1: bluetooth version: V2.1+EDR

2: bluetooth transmission distance: 10 meters, with a bluetooth phone / hands-free

3: frequency response range: 100 hz – 20 KHZ

4: signal-to-noise ratio: 84 db or higher

5: sensitivity: 80 db + 2 db:

6: the output power: 3 w

7: distortion rate of 1% or less

8: the speaker specification: 4 3 w 40 mm

9: input power supply: dc DC5V1200MAH

10: working voltage: 3.0 to 5.5 V

11: playing time/charging time: about 9 hour (50% volume)

12: standard parts: MIN – USB charging line

13: interface: support TF card, audio input,FM, USB flash drive