1: dikanteny bluetooth: 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% boky)
12: standard parts: MIN – USB charging line
13: interface: support TF card, audio input,FM, USB flash drive
Hifandray aminay:
Telephone:+86 755 25608673
Lahateny:Floor 8,huguang building,Longgang Lalana, Shenzhen China