1: bluetooth version: V2.1 + EDR
2: bluetooth transmission distance: 10 米, 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 毫米
9: input power supply: dc DC5V1200MAH
10: working voltage: 3.0 自。 5.5 V
11: playing time/charging time: about 9 hour (50% volume)
12: standard parts: MIN – USB charging line
13: interface: 撐Tf卡。, audio input,FM, USB flash drive
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Telephone:+86 755 25608673
地址:Floor 8,huguang building,龙港路, Shenzhen China