DONGGUAN YUJIA INDUSTRY MMD-0531 Wireless Stereo Bluetooth Cassette Adapter User Manual Model
Dongguan Yujia Industry Co.,Ltd Wireless Stereo Bluetooth Cassette Adapter Model
User manual
Model MMD-0531
Name Wireless Stereo Bluetooth Cassette Adapter
Picture
Input Charging Voltage Micro USB Input DC--5V I≥500MA
Working current 17±5mA
Left and right channels separation ≥35dB
Battery capacity 3.7V/120mAh
Working hours ≥5 hours
Distance ≥5M
BT solution CSR 4.0
Frequency response 20HZ----15000HZ
Magnetic-head specification Stereo sound magnetic-head
Music play Support
Battery Indicator Not support
Phone hands-free function Not support
Lossless audio transmission
（APT-X）
Not support
Operation
1. ON: Press the ON/OFF key for 3 seconds to turn on，After turning on,enter pairing state
automatically.If you have found a connected device,the product will automatically connect with
the paired devices.
2. OFF: Press the ON/OFF key
for 5 seconds to turn off. The red and blue LED indicators
brighten at the same time for 1 second to turn off.
3. Charging: Insert the charging line into the MICRO USB female, USB A connects with the
adapter and then charges,, the red LED light will be on when charging. When charging is
complete,the red LED will turn off.
4.Play music：Play music after good connection, and then put the product into the car cassette
machine and play music.
5.This product has no sound volume control, the volume up or down need to be adjusted in the
music equipment, no phone calls. Incoming calls will be automatically turned back to the calling
device.
Accessories Micro USB charging cable 0.8±0.05M 22.5g
Shell material ABS
Package Pending（According to the customer）
Product weight 35.7g
Product size 102.7mm（Length）*63.8mm（Width）*12.3mm（Height）
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the
user's authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in
a particular installation. If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is encouraged to try
to correct the interference by one or more of the following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
—Consult the dealer or an experienced radio/TV technician for help.