
BLUETOOTH
“ROCK BASS” SPEAKER
Quick Installation Guide
DA-10288 DA-10289
DA-10290 DA-10291

Safety Instruction:
- Please read all the instructions before using.
- Please read all safety warnings
- Please retain this manual safety for future reference.
- Please adjust the volume control to a comfortable level to avoid damaging
your hearing and the product
Warning / To reduce the risk of electric shock:
- Do no expose this apparatus to rain or moisture
- Do not use the speaker near water, and do not immerse them in any liquid
or pour any liquid on them
- Do not throw the speaker into fire because this will cause personal injury.
- Do not put the speaker in any damp or high-temperature areas
- Do not attempt to open the device
- Do not use harsh chemicals, cleaning solvents to clean the device
- Do not use any charger that is damaged

Package Contents:
1 x Bluetooth Speakers
1 x USB Cable
1 x Quick Guide

Operating Speaker:
1. Connect
2. Pair and connect the portable speaker to the Bluetooth device
a. Turn on the master unit’s power switch
b. Slave unit’s Bluetooth LED would flash with blue color.
c. Turn on your device Bluetooth settings, and wait for the search
pairing.
d. Look for “DA-10288-91” and select it
e. Enter pairing code “0000” if required.
f. Now you are ready to turn on and play your favorite music from
your device

How to Recharge:
- When power LED turns red, start recharging
- When power LED turns back to blue, it’s fully charged
Troubleshooting:
If the Bluetooth speaker does not work, try the following:
- When in low state battery power, users may hear the noise or the shut off
of the Bluetooth auto indicator during playing, be sure to recharge the
battery power immediately.
- Ensure the Bluetooth connection is established within 60 seconds,
otherwise, please turn off the speaker and restart again following the guide
- Ensure connecting devices are charged and not in low battery state
- Ensure devices are within 10 meters range
- Ensure the Bluetooth speaker is connected by checking the blue LED
flash
Specification:
Bluetooth: 2.0+EDR with A2DP / AVRCP
Output Power: RMS 4W, Max 8W
Dimensions: 53 x 53 x 50mm x 2
Speaker driver size: φ36mm
Netweight: 220g
S/N ratio: >=70dB
Speaker impedance: 4Ohms
Frequency response range: 100 Hz-20KHz
Playback time: up to 8 hours
Battery / Capacity: 500mAh