
BT55
<Product Description>
• BT speaker microphone for Bluetooth radio,
smartphone, and dongle.
• Rotary power& volume control switch, phone
answer/ rejection key, and PTT button is
embedded.
• Features mini LED lamp on the top of the
speaker for a user in a dim environment.
• The desktop charger port allows you to
charge easily, built-in micro USB charging
also.
<Specification>
Type: Bluetooth Speaker Microphone
Operating Temp: -20℃±2℃ ~ 50℃±2℃
Approx. Weight: 120g
Size:5cm x7.5cm x3.0cm
Fully Qualified Bluetooth v5.0.
• Echo cancellation, noise reduction, also
extended features.
• High Quality DAC, Qualcomm CVC built-in.
• 80MHz RISC MCU and 80MIPS Kalimba
DSP.
• Fast Current (200mA) battery charge.
• RoHS compliant.
• HSP / HFP / A2DP / AVRCP/ SPP profile
support.
• Speaker Output: 2W.
• PTT function: built-in.
• Talk Range: Bluetooth class 2, 10 meters.
• Display LED: Blue and Red.
• DC Input: 5 Vdc (std.) Micro USB jack.
• DC Current: 25 mA (Average).
1

Federal Communication Commission Interference Statement
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 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.
FCC Caution: Any changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate this equipment.
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.
This equipment complies with FCC RF radiation exposure limits set forth for an
uncontrolled environment. To maintain compliance with FCC RF exposure compliance
requirements, please avoid direct contact to the transmitting antenna during transmitting.
2