lenyes ktv speaker s828

1. speaker parameters
bluetooth version & scheme: torch ats2819 v5.0
tweeter amplifier ic: ad52068
bass amplifier ic: cs8673e
dsp: mountain view bp1048b2
bluetooth connection name: s828
support profile: a2dp v1.3, acrcp v1.4, hfp v1.6
decoding format: sbc
tws connection distance: 6 meters
bluetooth connection straight-line distance: 18 meters
2. bt bluetooth mode
aux mode: support 3.5mm audio input jack
tf card mode: support ape, flac, wav, mp3 file formats, up to 128g
u disk mode: u disk mode supports ape, flac, wav, and mp3 file formats, and supports a maximum of 128g
usb power supply: supports emergency current up to 1a
eq sound switching mode
rgb light switching mode
microphone mode
remote control: support 433 remote control function
wireless microphone: support uhf wireless microphone
speaker parameters:( 40w*2+20w*2)120w
battery capacity: 16000mah power battery (3.7v2000ma*8),
working time: 5h ()
standby time: 10 minutes (turn on the power saving mode, 10 minutes if you do not connect to bluetooth will automatically shut down)
charging time: 6 hours 1 hour
charging mode: type-c 5v/2a
low power alarm: low power alarm when the power is 15%.
3. cordless uhf wireless microphone parameters
charging type: type-c 5v 1a
battery capacity: 3.7v 1800ma
charging time: 3.5h
battery life: 10h
core type: dynamic microphone core
chip: bk9529
transmit power: 10db(uhf)
time delay: 3ms
impedance: 600 (± 15%) ω (at 1khz)
frequency response: 70hz-13khz
working frequency: 960mhz-979mzh
effective distance: 10m