4
5.
Technical details and radio emission
Hardware version
V1.0
Firmware version
V004
SRD Frequency
2400 MHz – 2483.5 MHz
Modulation type
8DPSK
π/4DQPSK
CGSK
RF power
4dBm (Max.)
6.
Charging
We recommend that you fully charge the DA-12221 before
using it for the first time to maximize battery life. It takes about
2-3 hours to fully charge. An acoustic signal will indicate a low
battery. To charge the speaker battery, it is recommended DC
5V/1A or higher current charger for charging. The Charging
progress is signaled by a flashing LED below the [
] button;
when the battery is fully charged, the LED will stay lit. During
charging, the speaker can be used for calls and music playback.
7.
Power ON/OFF
To turn the speaker on or off, press and hold the [ ] button
for 2 seconds. Note: To save the power, the speaker turns
off after 20 minutes of inactivity.
8.
Connecting to Bluetooth
1)
Connect DA-12221 with Bluetooth-enabled devices: After
power on, the [
] button flashes. Turn on the Bluetooth
function of the mobile phone and select DA-12221 in the
list of available devices After selecting the device, it will
automatically connect. The [
] button stops flashing after
connected, then you can play music or make a hands-
free call.
