Bluetooth: v4.2
working distance: up to 10m
voltage: dc 5v
battery charge time: 2-3h
loudspeaker: 4ω3w
s/n ratio: >=95db
frequency response: 280hz-16khz
support phone/ laptop/ tablet pc/ support u disk/ tf card(mini micro card)
modular buddy-jack' design: connect a row of mini speakers to get jaw-dropping audio performance
expanded bxs(bass xpansion system) drives a fuller, richer low-end response
new, larger 45mm driver delivers precise high for superb sound
mode key: switch to bluetooth/ usb/ tf card/ fm radio/ line in
last song: turn down volume when press song
next song: turn up volume when press long
pause/ play press twice to ring up a call/ press once to answer a call/ press long to cancel pairing under bluetooth/ press short to search station when fm radio